Parker non-return valves with nominal pressure ratings up to PN 420 bar offer a wide range of types, making them very flexible.
Part
|
Series
|
Shape
|
Fitting Material
|
Diameter Nominal
(DN)
|
Connection 1
Style
|
Connection 2
Style
|
Connection 1 Tube
O.D. (mm)
|
Connection 2 Tube
O.D. (mm)
|
Connection Size
|
Connection Size 2
|
Pre-Installed
Optional Accessories
|
Flow Direction
|
Seal Material
|
RHD28LOMDCF
|
Light
|
na
|
Steel, Chromium-6
Free
|
23
|
24° Cone end
|
24° Cone end
|
28
|
28
|
na
|
na
|
na
|
na
|
na
|
RHD28ZL71
|
Light
|
na
|
Stainless steel
|
23
|
24° Cone end
|
24° Cone end
|
28
|
28
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHD28ZLCF
|
Light
|
na
|
Steel, Chromium-6
Free
|
23
|
24° Cone end
|
24° Cone end
|
28
|
28
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHD30S71
|
Heavy
|
na
|
Stainless steel
|
24
|
24° Cone end
|
24° Cone end
|
30
|
30
|
na
|
na
|
Pre-assembled with
nut and EO-DPR cutting ring
|
na
|
na
|
RHD30SCF
|
Heavy
|
na
|
Steel, Chromium-6
Free
|
24
|
24° Cone end
|
24° Cone end
|
30
|
30
|
na
|
na
|
Pre-assembled with
nut and EO-PSR cutting ring
|
na
|
na
|
RHD30SOMD71
|
Heavy
|
na
|
Stainless steel
|
24
|
24° Cone end
|
24° Cone end
|
30
|
30
|
na
|
na
|
na
|
na
|
na
|
RHD30SOMDCF
|
Heavy
|
na
|
Steel, Chromium-6
Free
|
24
|
24° Cone end
|
24° Cone end
|
30
|
30
|
na
|
na
|
na
|
na
|
na
|
RHD30ZS71
|
Heavy
|
na
|
Stainless steel
|
24
|
24° Cone end
|
24° Cone end
|
30
|
30
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHD30ZSCF
|
Heavy
|
na
|
Steel, Chromium-6
Free
|
24
|
24° Cone end
|
24° Cone end
|
30
|
30
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHD35L71
|
Light
|
na
|
Stainless steel
|
29
|
24° Cone end
|
24° Cone end
|
35
|
35
|
na
|
na
|
Pre-assembled with
nut and EO-DPR cutting ring
|
na
|
na
|
RHD35LCF
|
Light
|
na
|
Steel, Chromium-6
Free
|
29
|
24° Cone end
|
24° Cone end
|
35
|
35
|
na
|
na
|
Pre-assembled with
nut and EO-PSR cutting ring
|
na
|
na
|
RHD35LOMD71
|
Light
|
na
|
Stainless steel
|
29
|
24° Cone end
|
24° Cone end
|
35
|
35
|
na
|
na
|
na
|
na
|
na
|
RHD35LOMDCF
|
Light
|
na
|
Steel, Chromium-6
Free
|
29
|
24° Cone end
|
24° Cone end
|
35
|
35
|
na
|
na
|
na
|
na
|
na
|
RHD35ZL71
|
Light
|
na
|
Stainless steel
|
29
|
24° Cone end
|
24° Cone end
|
35
|
35
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHD35ZLCF
|
Light
|
na
|
Steel, Chromium-6
Free
|
29
|
24° Cone end
|
24° Cone end
|
35
|
35
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHD38S71
|
Heavy
|
na
|
Stainless steel
|
29
|
24° Cone end
|
24° Cone end
|
38
|
38
|
na
|
na
|
Pre-assembled with
nut and EO-DPR cutting ring
|
na
|
na
|
RHD38SCF
|
Heavy
|
na
|
Steel, Chromium-6
Free
|
29
|
24° Cone end
|
24° Cone end
|
38
|
38
|
na
|
na
|
Pre-assembled with
nut and EO-PSR cutting ring
|
na
|
na
|
RHD38SOMD71
|
Heavy
|
na
|
Stainless steel
|
29
|
24° Cone end
|
24° Cone end
|
38
|
38
|
na
|
na
|
na
|
na
|
na
|
RHD38SOMDCF
|
Heavy
|
na
|
Steel, Chromium-6
Free
|
29
|
24° Cone end
|
24° Cone end
|
38
|
38
|
na
|
na
|
na
|
na
|
na
|
RHD38ZS71
|
Heavy
|
na
|
Stainless steel
|
29
|
24° Cone end
|
24° Cone end
|
38
|
38
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHD38ZSCF
|
Heavy
|
na
|
Steel, Chromium-6
Free
|
29
|
24° Cone end
|
24° Cone end
|
38
|
38
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHD42L71
|
Light
|
na
|
Stainless steel
|
29
|
24° Cone end
|
24° Cone end
|
42
|
42
|
na
|
na
|
Pre-assembled with
nut and EO-DPR cutting ring
|
na
|
na
|
RHD42LCF
|
Light
|
na
|
Steel, Chromium-6
Free
|
29
|
24° Cone end
|
24° Cone end
|
42
|
42
|
na
|
na
|
Pre-assembled with
nut and EO-PSR cutting ring
|
na
|
na
|
RHD42LOMD71
|
Light
|
na
|
Stainless steel
|
29
|
24° Cone end
|
24° Cone end
|
42
|
42
|
na
|
na
|
na
|
na
|
na
|
RHD42LOMDCF
|
Light
|
na
|
Steel, Chromium-6
Free
|
29
|
24° Cone end
|
24° Cone end
|
42
|
42
|
na
|
na
|
na
|
na
|
na
|
RHD42ZL71
|
Light
|
na
|
Stainless steel
|
29
|
24° Cone end
|
24° Cone end
|
42
|
42
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHD42ZLCF
|
Light
|
na
|
Steel, Chromium-6
Free
|
29
|
24° Cone end
|
24° Cone end
|
42
|
42
|
na
|
na
|
Pre-assembled with
EO-2 functional nut
|
na
|
na
|
RHDI1/271
|
Light
|
na
|
Stainless steel
|
12
|
Female BSPP thread
(ISO 1179-1)
|
Female BSPP thread
(ISO 1179-1)
|
na
|
na
|
G 1/2
|
G 1/2
|
na
|
na
|
na
|
RHDI1/2CF
|
Light
|
na
|
Steel, Chromium-6
Free
|
12
|
Female BSPP thread
(ISO 1179-1)
|
Female BSPP thread
(ISO 1179-1)
|
na
|
na
|
G 1/2
|
G 1/2
|
na
|
na
|
na
|
RHDI1/471
|
Light
|
na
|
Stainless steel
|
3.5
|
Female BSPP thread
(ISO 1179-1)
|
Female BSPP thread
(ISO 1179-1)
|
na
|
na
|
G 1/4
|
G 1/4
|
na
|
na
|
na
|
RHDI1/4CF
|
Light
|
na
|
Steel, Chromium-6
Free
|
3.5
|
Female BSPP thread
(ISO 1179-1)
|
Female BSPP thread
(ISO 1179-1)
|
na
|
na
|
G 1/4
|
G 1/4
|
na
|
na
|
na
|
RHDI1/871
|
Light
|
na
|
Stainless steel
|
3.5
|
Female BSPP thread
(ISO 1179-1)
|
Female BSPP thread
(ISO 1179-1)
|
na
|
na
|
G 1/8
|
G 1/8
|
na
|
na
|
na
|
RHDI1/8CF
|
Light
|
na
|
Steel, Chromium-6
Free
|
3.5
|
Female BSPP thread
(ISO 1179-1)
|
Female BSPP thread
(ISO 1179-1)
|
na
|
na
|
G 1/8
|
G 1/8
|
na
|
na
|
na
|
RHDI11/271
|
Light
|
na
|
Stainless steel
|
29
|
Female BSPP thread
(ISO 1179-1)
|
Female BSPP thread
(ISO 1179-1)
|
na
|
na
|
G 1 1/2
|
G 1 1/2
|
na
|
na
|
na
|
RHDI11/2CF
|
Light
|
na
|
Steel, Chromium-6
Free
|
29
|
Female BSPP thread
(ISO 1179-1)
|
Female BSPP thread
(ISO 1179-1)
|
na
|
na
|
G 1 1/2
|
G 1 1/2
|
na
|
na
|
na
|
RHDI11/471
|
Light
|
na
|
Stainless steel
|
24
|
Female BSPP thread
(ISO 1179-1)
|
Female BSPP thread
(ISO 1179-1)
|
na
|
na
|
G 1 1/4
|
G 1 1/4
|
na
|
na
|
na
|