Name: trunnion ball valves (certified by API6D, API607, CE and ISO...)
Standard Compliance
1) Design and manufacture standard: API 6D ball valve supplier
2) Test standard: API 598
3) End connection standard: ASME B16.5 ball valve manufacturer
4) Face-to-Face standard: ASME B16.10
Specifications
1) Class: 150 lbs / 300 lbs / 600 lbs / 900 lbs / 1, 500 lbs
2) Size: NPS 1/2"-32"
3) Body material: ASTM A105, ASTM A182 F304, LF2, F316, F51 etc.
Feature:
1) Double block and bleed high pressure ball valve
2) Anti-static ball valve structure valve
3) Anti-blowout proof stem high pressure ball valve
4) Fire safe design ball valve
5) Emergency sealent injection in stem and seat
6) Vent valve and drain valve are optional trunnion ball valve
Welcome you contact us for any problems.
| Part Name | Carbon Steel | Stainless Steel |
| WCB | LCB | CF8 | CF8M | CF3 | CF3M |
| Body | A216 WCB A105 | A352 LF2 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| L-body | A216 WCB A105 | A352 LCB A350 LF2 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| R-body | A216 WCB A105 | A352 LCB A350 LF2 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Ball | A105/Ep.Cr | A182 F304 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Stem | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Seat | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Seat Ring | PTFE,POM or HF(Co-CrA) |
| Gasket | PTFE or Flexible Graphite and stainless Steel |
| O-Ring | VITON | VITON | VITON | VITON | VITON | VITON |
| Trunnion | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Spring | AISI 6160 17-17PH(inconel for NACE)Ni-Cr Alloy |
| Drain plug | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Bolt | A193 B7 A320 L7 A193 B8 A193 B8M |
| Stem beating | PTFE or Stainless Steel and Graphite |
| Stem seat | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE |
| Stem spring | 17-17PH(inconel for NACE)Ni-Cr Alloy |
| Small ball | A182 F304 A182 F316 |
| Trunnion beating | PTFE or Stainless Steel and Graphite |
| Plug | A105 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Spring seat | A105 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Bonnet Bolt | A193 B7 A320 L7 A320 B8 A193 B8M |
| Bonnet Nut | A194 2H A194 4 A194 8 |
| Pin | Carbon Steel or Alloy Steel |
| Gland | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Gland flange | A216 WCB | A352 LCB | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Stem packing | PTFE or Flexible Graphite |
| Bonnet | A216 WCB A105 | A352 F6 A350 LF2 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
Jiangshu Chengyi Valve Co., Ltd. is Located in Lianyungang Guannan Industrial Zone, Jiangshu Provice. Our factory covers 35000 square meter, staff 206, 16 persons for Engineering and technical. At the same time. We have numerical control, large lathe, special metal-cutting machines and quality inspection service and so on all 150 units. They could reseach, design, develop, manufacture and inspect valves. Especially, we obtain API, GE, TS and so on certificates. While initiating all-round CAD in production.
We mainly produce gate valve, butterfly valve, ball valve, globe valve, check valve, filter and other 50 serials. We produce valves according to ISO, API, BS, DIN, JPI, GB, JB, standards with diameter range: NPS1/2"-56, DN15-2600mm, pressure range: Class 150Lb-4500Lb, PN 0.1Mpa-700Mpa, and temperature range: -196 - 680degree Celsius. They are made of such material as carbon steel, alloy steel, stainless steel, titanium, Monel, alloy 20 and so on. We could provide valve according to our clients' material.
Our products are reasonable structure, Unipque technical exquisite, complete specification, relible quality. Our products have been wideli used in industrial pipeline matched for petroleum, chenical industry, metallurgy, electric power, military industry and projects.
Our slogan: Quality is our existence of fundamental, Efficiency is our development foundation, Reputation is based on our security, Satisfaction is our basic pursuit.
