Leakage: Metal seat: valve rated capacity of less than 0.01%, in line with ANSI B16.104-1976IV class soft seat: valve rated capacity of less than 10, the plastic valve in accordance with ANSI B16.104-1976IV level hysteresis: with detent control: less than 1% of the whole trip, plastic valve selection, without locator: less than 3% of total travel (LHA1 type less than 5% of the whole trip) Basic error: With locator: less than a full stroke of ± 1%, Without locator: less than ± 5% of full stroke NOTE: The standard V-type PTFE packing adjustable range: 50: 1 (0.25≤Cv≤14) or 30: 1 (CV≤0.16) Type: LHA Multi-spring diaphragm actuator, LVA5 single spring diaphragm actuators, LVA6 single-acting cylinder piston actuator diaphragm material: EPDM clip nylon, nitrile rubber nylon spring clip range: 20 ~ 100,80 ~ 240KPa (LHA, LVA5 type), 190 ~ 350,190 ~ 400KPa (LVA6 type) supply pressure: 140 ~ 400kPa (LHA type), 140 ~ 280kPa (LVA5 type), 400 ~ 500kPa (LVA6 type) Air Connection: Rc1 / 4 " Ambient temperature: -30 ~ + 70 ℃ Valve Acting Type: achieving positive action or reaction with the gas valve actuator - off type or gas - open Accessories: Locator, air filter pressure reducer, to secure his position valve, limit switch, valve position transmitter, solenoid valve, hand wheel, etc. Anhui plastic valves, inline instrumentation Tianchang instrument (online consultation), plastic valves are also available. Tianchang instrument linked Instrument Sales Co., (www linked by the Instrument Sales Co., Ltd. Tianchang instrument. ylybxs.com) (www.ylybxs.com) is Chuzhou, temperature instrumentation leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs in Tianchang instrument linked instruments leadership the staff warmly welcome all inquiries negotiations to create Tianchang instrument linked instruments better future.