Specifications:

1) Design standards: API6D

2) Inspection and test standards: API 6D, API598

3) Sizes: 1/2" ? 24??

4) Class: 150 ? 2500LB

5) Flange: ASME B16.5

6) Temperature: -29 ~ 350°C

7) Body / bonnet: WCB, 304.304L, 316, 316L

8) Seat: PTFE /RTFE

9) Ball: WCB, 304.304L, 316, 316L

10) Stem: WCB, 304.304L, 316, 316L

11) Sealing: soft sealing or hard sealing, and metal-to-metal seat.

12) Operation: manual, pneumatic, electric, hydraulic and

pneumatic-hydraulic

13) Appendix: fire safe, anti-static devices for ball-stem-body, blow-out

proof stem, anti-error operation structure