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Seal Kit
VH36 Series High Pressure Check Valves
VCH36 Series CNG/NGV Check Valves
Seal blow-out proof design with the bonded seal on poppet.
High pressure 6000 psig (413 batr)
Features
1 4 3 5
6 7 8 2
9
10 11
L
L1
H
h
OUTLET
INLET
11 10 9
1
4 3 7 8 5 6
2
9 10 11
Materials of Construction
Material Grade/ASTM
Valve Body Material
Stainless Steel
Component
1. Body
2. Connector
3. Poppet stop
4. Poppet with bonded seal
5. Spring
6. Indicator ring*
7. O-ring
8. Backup ring
9. 10. 11. Dk-Lok Front & Back
Ferrule and Nut
SS316 /A479, A276
Poppet
: SS316 /A479, A276
Bonded Seal
: FKM, optional EPDM & Kalrez
HNBR standard for VCH36 series.
SS302 /A313
SS316 /A276
FKM.
HNBR standard for VCH36 Series.
PTFE /D1710
SS316 /A479, A276
Wetted parts are listed in
*Indicator ring bears the information of spring designator.
blue.
Lubrication:
Silicon-based Lubricant on Poppet
Molybdenum Dry Film Lubricant on SS316 Connector threads
CNG Certifications
VCH36 Series check valve with CNG compatible HNBR O-ring are available with CNG certifications.
Certificates
ECE R110
ISO 15500
ANSI / AGA NGV 3.1-1995
CGV NGV 12.3-M95
Certificate No.
Classification
Temperature
Working Pressure
110R-000186
Class 0
-40 to 120 C (-40 to 250 F)
274 bar @ 120 C
2010-REPORT-014 (00)
Check valve
-40 to 121 C (-40 to 250 F)
273 bar @ 121 C
2010-REPORT-013 (00)
Check valve
-40 to 121 C (-40 to 250 F)
273 bar @ 121 C
Check Valves
6