美标对夹式硬密封蝶阀系列 D373H/Y-150/300LB

主要零件和材质 Main parts and materials

序号 NO	零件名称 Accessor name	材质 Material
序号 NO	零件名称 Accessor name	ASTM/API 系列 series
1	阀体 Body	A216(WCB, LCB), A351(CF8, CF3, CF8M, CF3M), A217(WC6, WC9)
2	阀杆 Stem	A276(420, 304, 304L, 316, 316L) 38CrMoAL, 25Cr2MoV
3	圆锥轴 Taper pin	A276(420, 304, 304L, 316, 316L) 25Cr2MoV
4	蝶板 Disc	A216(WCB, LCB), A351(CF8, CF3, CF8M, CF3M), A217(WC6, WC9)
5	密封圈 Sealing ring	304/316+石墨, 304/316+PTFE, 304/316+橡胶
6	压板 Plate	A105, A182(F304, F316, F316L)
7	内六角螺钉 Nut	A193, B7, B16, B8, B8M
8	内六角螺钉 Nut	A193, B7, B16, B8, B8M
9	后盖 Bottom cover	A105, A182(F304, F316, F316L)
10	垫子 Gasket	PTFE 不锈钢 Stainless steel+石墨 Graphite
11	对开环 Washer	A276(420, 304, 304L, 316, 316L) 25Cr2MoV
12	轴套 Bush bearing	铝青铜自润滑复合轴套 304/316+PTFE
13	填料 Packing	石墨橡胶PTFE
14	填料压盖 Gland	A216(WCB, LCB), A351(CF8, CF3, CF8M, CF3M), A217(WC6, WC9)
15	螺柱 Bonnet bolt	A193, B7, B16, B8, B8M
16	螺母 Nut	A194, 2H, 4, 8, 8M
17	螺柱 Bonnet bolt	A193, B7, B16, B8, B8M
18	螺母 Nut	A194, 2H, 4, 8, 8M
19	支架 Yoke	A216, WCB, A351, CF8

产品特征 Spericfications

适用介质：水、气、油品、天然气和酸碱腐蚀性介质

适用温度：-196~350℃

驱动方式：手动、气动、电动、液动等

公称压力：150LB~300LB

公称通径：4"~60"

Applicable media: water, gas, oil, gas and acid and alkali corrosive medium

Applicable temperature: -196~350℃

Driver: manual, pneumatic, electric, hydraulic, etc

Nominal pressure: 150LB~300LB

Nominal size: 4"~60"

技术规范 Technical specification

试验压力 Test prssure

蝶阀结构长度和外接尺寸 Main connection dimensions