91www精品,久久 精品一区二区,色熟久久久,久久久精品日韩欧美,亚洲一区二区三区不卡在线,国内精品久久久久久久,五月综合91狠狠,婷婷伊人激情五月天,热久一区二区

translate 中文

PRODUCTS

Double Eccentric Butterfly Valve

Double Eccentric Butterfly Valve

1. -ISO5211 top flange design

2. In addition to the wear-resistant standard V-ring packing, graphite high-temperature packing or low-leakage packing can also be selected

3. Bidirectional sealing performance

4. Optional rubber, PTFE,RPTFE, and fire-resistant PTFE valve seats are available

5. Negligible valve seat wear and low operating torque ensure a long service life of the valve seat

6. Active mechanical seals no longer rely on pipeline pressure

Structure: Lug type, wafer type, double flange type

Design standard: API 609

Structure length: API 609

Flange standards: ASME B16.5,ASME B16.47

Butt welding end standard: ASME B16.25

Inspection standard: API 598

Size: 2" to 120"(DN50 to DN3000)

Nominal pressure: ASME CLASS 150-600 (PN16 - PN100)

Valve body materials: carbon steel, stainless steel, alloy steel, copper, etc

Valve plate materials: carbon steel, stainless steel, alloy steel, copper, etc

Valve stem material: 410SS, 304SS&17-4PH, etc

Valve seat material: 316 SS hard seal, PTFE, asbestos board

Valve body type: wafer type, lug or double flange

Operation: Handle, gear, electric, pneumatic, hydraulic

本溪| 北流市| 洛隆县| 贞丰县| 巩义市| 大足县| 驻马店市| 龙胜| 九寨沟县| 南城县| 涪陵区| 策勒县| 利津县| 天水市| 教育| 商南县| 扎囊县| 永和县| 朝阳市| 佛教| 专栏| 泾川县| 册亨县| 柳江县| 隆林| 黎川县| 星子县| 聂荣县| 宜君县| 新郑市| 专栏| 剑河县| 丰原市| 淮安市| 全椒县| 阜城县| 宣威市| 基隆市| 陇南市| 和硕县| 宁城县|