Releases adopt carbon and stainless steel, and other steel alloys that withstand high pressure and temperature. Many pass API testing and can be used in the oil, marine, petroleum or water-treatment industries.

Full- or reduced-bore port

Baiqiang Valve Group Co. Ltd
Baiqiang's model Q41F-300LB floating ball valve has a WCB, CF8, CF3, CF8M, CF3M, LCB, LCC or LF1 stainless steel body and a PTFE, RPTFE, nylon, PPL, Peek or Devlon valve seat. The ball and stem are made of A105, 304, 316, 304L or 316L stainless steel. The product comes with a full- or reduced-bore port and can be operated via hand lever, gear or actuator. Measuring 2 to 8in, it can be used in the wastewater-treatment, marine and petroleum industries.

Adopts carbon, stainless steel

Qingdao Eathu Casting and Forging Co. Ltd
Qingdao Eathu offers the model ZSJ-EATHU-039 three-piece high-pressure trunnion mounted ball valve that measures 2 to 48in and has a class 800, 1,500 or 2,000 working pressure. The ball and body adopts carbon or stainless steel while the stem utilizes the latter. The seat is made of PTFE or stainless steel. The model comes with ANSI B16.5 class flanges and ANSI B16.1 face-to-face connection. It is operated using a hand lever or a worm gear. The product passed API 598 testing, and has CE and API 6D certification.

Automatic pressure-relief system

Xiamen DESW Fluid Control Co. Ltd
The model DN150-QGA4600-G-152315TT-1-A three-piece pipeline ball valve from Xiamen DESW comes with an automatic pressure-relief system, and self-lubrication injection, anti-static and locking devices. It also integrates a blow-resistant stem and a drain valve. The product has a flange and B-weld connection, and withstands 150 to 2,500 pounds of pressure. Sizes range from 2 to 48in. Its face-to-face connection complies with ASME B16.10, API 6D and DIN 3202 while flange connection size adheres to ASME B16.5, B16.47, B16.25 and DIN 2543 to 2550. The butt welding size is according to ASME B16.25.

Custom materials

Yongjia Asian Long Import & Export Co. Ltd
Yongjia Asian Long's model ASV-BALL-T06-1-1-1-1-1-1 trunnion mounted ball valve is available in ½ to 32in and withstands 150 to 2,500 pounds of pressure. It adopts WCB, LCB, CF8, 304, CF8M, 316, CF3 304L, CF3M 316L, WC1, WC6, WC9 or CN7M stainless steel. The materials can also be customized. The product is made according to API 608, API 6D and BS 5351. The face-to-face dimensions comply with ASME B16.10 and API 6D while end flange dimensions adhere to ASME B16.5, ASME B16.47 and ASME B16.25. The model is API 607 and API 6FA fire-resistant, and passed API 598 and API 6D.

Made of forged steel

XZZ Machinery Co. Ltd
The model FSV-02-1 forged steel valve from Zhangjiagang Zhongzhong is designed for oil machinery. It adopts AISI 4130, 4140, 4340, 4330 and A350LF2 steel alloy and comes in custom sizes. The maximum weight is 100 tons. The product is forged via EF+LF+VD smelting. The model meets API, AISI and ASTM.

Adjustable valve body, stem length

Zhejiang Galaxy Machinery Manufacture Co. Ltd
Zhejiang Galaxy's model Q367F-1 fully welded ball valve has an A105, LF2, F304, F316, F304L or F316L steel alloy body with regular structure and even thickness to prevent shrinkage and changes in shape. Sizes range from 2 to 48in with adjustable valve body and stem length. Its ball undergoes computerized monitoring during production to ensure precision. The fire-safe model has a pressure rating of class 150 to 1,500. Operation is manual or via worm gear, or electric or pneumatic actuator. The product is designed according to API 6D, API 608, BS5351 and ASME B16.34 with ASME B16.10, API 6D and DIN3202 face-to-face and end-to-end connections. The ball valve meets ISO5208, API 6D and BS6755.