Established in 2012, Hangzhou Henggong Technology Co., Ltd is located in Dongou Industrial Area in Oubei Town of Yongjia County, the cradleland of "China Pump and Valve", which enjoys favorable geographical location and convenient transportation. Presently, our company is covering an area of 3000 square meters, and owns 10 senior engineers, 20 technicians and more than 150 staff. The company has strong technical capabilities and high-quality personnel teams.

Our company owns advanced manufacturing technologies, testing equipments. Moreover, our products have passed the ISO9001 Quality System Certification and Pressure Equipment Direction EC Certification. From design to delivery, in each procedure, products are controlled strictly in accordance with ISO9001(CQC) and the quality of products produced by our company is all insured by People's Insurance Company of China.

Product Description
Full Weld Standard Ball Valve
Technical parameters:
Size: Full bore & Regular bore DN15 (1/2") ~ DN1400 (56")
Pressure Rating: ANSI Class 150~300, PN16~50
Working Temperature: -29 oC(-20 oF) ~ +200 oC (392 oF)
Service: Gas(LNG/LPG), Oil, DH Hot Water, Steam, Petrochemical etc.
Operator: Lever, Gear (Vertical/Horizontal), Electrical actuator
Main Characteristics:
1) One-piece welded body & end-piece connection pipe
* Note: Available end connection dimension to ASTM, EN, KS/JIS, GOST Standard etc.
2) Mirror polished stainless steel ball tested spherical roundness.
3) Bubble tight excellent sealing with carbon-reinforced PTFE (Teflon) seats.
4) Pre-loaded seat springs ensure leak-tight at low pressure and reduce valve operational torque.
Anti blow-out stem according to international standards.
5) Double O-rings ensure the stem sealing and can be replaced.
6) Stem dry bearing, metal with PTFE coating having self-lubricating capabilities need no additional lubricant.
Material:
Body: Carbon Steel ST37, A106-B, STPG 370, A105, ASTM A516-60, A216-WCB or equivalent.
Stainless Steel 304 or 316 (*option upon request)
Ball: Stainless Steel 304 or 316 grade
Seat: PTFE, carbon-reinforced PTFE, Nylon, Peek etc.

Q: Are you a manufacturer or a distributor?
A: We are a valve manufacturer with 25 years of experience in valve development, design, production and sales. Won the top ten valve manufacturers in China.

Q:Is it a finished product or can be customized?
A:We customize the professional valves you need according to your technical requirements, drawings, parameters, etc.

Q:What is your price term
A:Ex-factory ,FOB

Q:what is the minimum order quantity
A:Small diameter valves is 10pcs/model,large diameter valves is 1pcs/model, if you have special requirements, please communicate with us.

Q:What is the term of payment?
A:T/T or L/C Also,we accept the order to be placed via Made-in-china