Relief Valves |
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|---|---|
| Category: | valve |
| Master Model: | N/A |
| Drawing No.: | N/A |
| Quantity: | - + EA |
| Price: | Inquiry |
| Payment: | T/T, PayPal, More |
| Shipping Cost: | To be confirmed |
| Inquiry Add to Wishlist | |
Parker's R Series Relief Valves are designed such that when the upstream pressure exceeds the closing force exerted by the spring,
the lower stem opens, permitting flow through the valve. Pressures range from 10 PSI (0.7 BAR) to 6,000 PSI (413.7 BAR).
| Part | Connection Size | Connection Size 2 | Connection 1 Style | Connection 2 Style | Actuation | Cracking Pressure (psi) | Material |
| 4Z-RL4A-EPRT-SS-MN-KB | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 25 - 50 | 316 Stainless Steel |
| 4Z-RL4A-EPRT-SS-MN-KC | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 50 - 100 | 316 Stainless Steel |
| 4Z-RL4A-EPRT-SS-MN-KD | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 100 - 150 | 316 Stainless Steel |
| 4Z-RL4A-EPRT-SS-MN-KE | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 150 - 225 | 316 Stainless Steel |
| 4Z-RL4A-EPRT-SS-MN-KG | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 225 - 400 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-KA | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 44494 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-KB | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 25 - 50 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-KC | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 50 - 100 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-KD | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 100 - 150 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-KE | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 150 - 225 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-KG | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 225 - 400 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-MN-KA | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 44494 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-MN-KB | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 25 - 50 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-MN-KC | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 50 - 100 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-MN-KD | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 100 - 150 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-MN-KE | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 150 - 225 | 316 Stainless Steel |
| 4Z-RL4A-KZT-SS-MN-KG | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 225 - 400 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-KA | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 44494 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-KB | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 25 - 50 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-KC | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 50 - 100 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-KD | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 100 - 150 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-KE | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 150 - 225 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-KG | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 225 - 400 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-MN-KA | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 44494 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-MN-KB | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 25 - 50 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-MN-KC | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 50 - 100 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-MN-KD | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 100 - 150 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-MN-KE | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 150 - 225 | 316 Stainless Steel |
| 4Z-RL4A-NET-SS-MN-KG | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 225 - 400 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-KA | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 44494 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-KB | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 25 - 50 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-KC | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 50 - 100 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-KD | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 100 - 150 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-KE | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 150 - 225 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-KG | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Standard | 225 - 400 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-MN-KA | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 44494 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-MN-KB | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 25 - 50 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-MN-KC | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 50 - 100 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-MN-KD | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 100 - 150 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-MN-KE | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 150 - 225 | 316 Stainless Steel |
| 4Z-RL4A-VT-SS-MN-KG | 1/4" | 1/4" | Single Ferrule Compression Fitting | Single Ferrule Compression Fitting | Manual Overdrive | 225 - 400 | 316 Stainless Steel |
| M6A-RH4A-BNT-SS-K1 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 50 - 350 | 316 Stainless Steel |
| M6A-RH4A-BNT-SS-K2 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 350 - 750 | 316 Stainless Steel |
| M6A-RH4A-BNT-SS-K3 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 750 - 1500 | 316 Stainless Steel |
| M6A-RH4A-BNT-SS-K4 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 1500 - 2250 | 316 Stainless Steel |
| M6A-RH4A-BNT-SS-K5 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 2250 - 3000 | 316 Stainless Steel |
| M6A-RH4A-BNT-SS-K6 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 3000 - 4000 | 316 Stainless Steel |
| M6A-RH4A-BNT-SS-K7 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 4000 - 5000 | 316 Stainless Steel |
| M6A-RH4A-BNT-SS-K8 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 5000 - 6000 | 316 Stainless Steel |
| M6A-RH4A-EPRT-SS-K1 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 50 - 350 | 316 Stainless Steel |
| M6A-RH4A-EPRT-SS-K2 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 350 - 750 | 316 Stainless Steel |
| M6A-RH4A-EPRT-SS-K3 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 750 - 1500 | 316 Stainless Steel |
| M6A-RH4A-EPRT-SS-K4 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 1500 - 2250 | 316 Stainless Steel |
| M6A-RH4A-EPRT-SS-K5 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 2250 - 3000 | 316 Stainless Steel |
| M6A-RH4A-EPRT-SS-K6 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 3000 - 4000 | 316 Stainless Steel |
| M6A-RH4A-EPRT-SS-K7 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 4000 - 5000 | 316 Stainless Steel |
| M6A-RH4A-EPRT-SS-K8 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 5000 - 6000 | 316 Stainless Steel |
| M6A-RH4A-KZT-SS-K1 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 50 - 350 | 316 Stainless Steel |
| M6A-RH4A-KZT-SS-K2 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 350 - 750 | 316 Stainless Steel |
| M6A-RH4A-KZT-SS-K3 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 750 - 1500 | 316 Stainless Steel |
| M6A-RH4A-KZT-SS-K4 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 1500 - 2250 | 316 Stainless Steel |
| M6A-RH4A-KZT-SS-K5 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 2250 - 3000 | 316 Stainless Steel |
| M6A-RH4A-KZT-SS-K6 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 3000 - 4000 | 316 Stainless Steel |
| M6A-RH4A-KZT-SS-K7 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 4000 - 5000 | 316 Stainless Steel |
| M6A-RH4A-KZT-SS-K8 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 5000 - 6000 | 316 Stainless Steel |
| M6A-RH4A-NET-SS-K1 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 50 - 350 | 316 Stainless Steel |
| M6A-RH4A-NET-SS-K2 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 350 - 750 | 316 Stainless Steel |
| M6A-RH4A-NET-SS-K3 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 750 - 1500 | 316 Stainless Steel |
| M6A-RH4A-NET-SS-K4 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 1500 - 2250 | 316 Stainless Steel |
| M6A-RH4A-NET-SS-K5 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 2250 - 3000 | 316 Stainless Steel |
| M6A-RH4A-NET-SS-K6 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 3000 - 4000 | 316 Stainless Steel |
| M6A-RH4A-NET-SS-K7 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 4000 - 5000 | 316 Stainless Steel |
| M6A-RH4A-NET-SS-K8 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 5000 - 6000 | 316 Stainless Steel |
| M6A-RH4A-VT-SS-K1 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 50 - 350 | 316 Stainless Steel |
| M6A-RH4A-VT-SS-K2 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 350 - 750 | 316 Stainless Steel |
| M6A-RH4A-VT-SS-K3 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 750 - 1500 | 316 Stainless Steel |
| M6A-RH4A-VT-SS-K4 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 1500 - 2250 | 316 Stainless Steel |
| M6A-RH4A-VT-SS-K5 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 2250 - 3000 | 316 Stainless Steel |
| M6A-RH4A-VT-SS-K6 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 3000 - 4000 | 316 Stainless Steel |
| M6A-RH4A-VT-SS-K7 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 4000 - 5000 | 316 Stainless Steel |
| M6A-RH4A-VT-SS-K8 | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 5000 - 6000 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-KA | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 44494 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-KB | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 25 - 50 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-KC | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 50 - 100 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-KD | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 100 - 150 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-KE | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 150 - 225 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-KG | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Standard | 225 - 400 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-MN-KA | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Manual Overdrive | 44494 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-MN-KB | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Manual Overdrive | 25 - 50 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-MN-KC | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Manual Overdrive | 50 - 100 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-MN-KD | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Manual Overdrive | 100 - 150 | 316 Stainless Steel |
| M6A-RL4A-BNT-SS-MN-KE | 6 mm | 6 mm | Two Ferrule Compression Fitting | Two Ferrule Compression Fitting | Manual Overdrive | 150 - 225 | 316 Stainless Steel |
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