The check valves are available in size ranges in 2", 3" and 4", in pressure ranges from 6,000psi to 20,000psi with hammer union end connections.
Specifiaction
Jining Donghong Machinery Co., Ltd
www.dhparts.com
spareparts1960@foxmail.com
dh@dhparts.com
Mobile/WhatsApp: 0086-18954079939
Skype: spareparts1960
API OSHA IADC OPEC RIG ZONE WORLD OIL Drilling Formulas
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