Check Valves (Dart Type)
Check valves are unidirectional and usually installed in high pressure pipelines for preventing fluid flowing back in well service operation, their retainer plates will automatically close if fluid is pushed back.
Recommended For:
High-pressure well service flowlines, flowhead, frac manifold, cementing manifold
Other well service, stimulation and abrasive applications
Available:
● Cold Working Pressure: from 6,000psi to 15,000psi
● Nominal Pipe Size: 2" to 3"
● End Connection: Fig 602, Fig 1002, Fig 1502
● Sour gas service is available.

Features:
● Forged of high strength alloy steel
●The retainer plate inside sulfurized with Buna-N has a good sealing effect and a longer service life under high pressure

Product Show:

Special packing is available according to customers’ requirements.

We have clients in more than 40 countries. Such as the USA, Mexico, Brazil, Argentina, Russia, Malaysia, Singapore, Indonesia, India, Germany, Britain, Holland, Kuwait, Saudi Arabia, Iran, the UAE, etc.

1).  ADVANCED PRODUCTION EQUIPMENT

2).  ISO 14000 / ISO 9000 / QUALITY CERTIFICATE
3).  STRICT QUALITY CONTROL, STRONG R&D TEAM
4).  ENVIRONMENTAL FRIENDLY WITHOUT POLLUTION
5).  10 YEARS  MANUFACTURING EXPERIENCE, STRONG TEAM.