tozen滔辰gglv青铜丝口截止阀

tozen滔辰gglv青铜丝口截止阀介绍： bronze globe valve
青铜截止阀
specification 规格
screwed-in bonnet ・ swivel disc
rising stem ・ asbestos free
threaded to bs 21(iso 7) / asme b1.20.1
size range : 15mm (1/2") ~ 50mm (2")
阀帽为螺纹接口 ・ 阀板能旋转
明杆 ・ 无石棉
螺纹符合bs 21(iso 7)/ asme b1.20.1
口径范围 : 15mm(1/2") ~ 50mm(2")
pressure ratings 压力等级

working pressure 工作压力	300 psi (20.7bar) wog non-shock 150 psi (10.3bar) saturated steam
testing pressure 测试压力	shell (阀体) : 450 psi (31bar) hydrostaic 液压 seat (阀座) : 330 psi (22.7bar) hydrostaic 液压 80 psi (5.5bar) air 气压

materials 材质表

part 部件	material 材质	astm 美标	bs 英标
body 阀体	bronze (gummetal) 青铜	b584 c84400	1400 lg1
bonnet 阀帽	bronze (gummetal) 青铜	b584 c84400	1400 lg1
disc 阀板	bronze (gummetal) 青铜	b584 c84400	1400 lg1
stem 阀杆	brass rod 棒材黄铜	b16 c36000	2874 cz121
packing 密封	ptfe 特氟龙
packing nut 密封螺母	brass rod 棒材黄铜	b16 c36000	2874 cz121
gland 塞栓	brass rod 棒材黄铜	b16 c36000	2874 cz121
handwheel 手轮	cast iron 灰铸铁	a48 no.35	1452 gr.260

dimensions 口径尺寸

size		a		b		c		weight
[mm]	[inch]	[mm]	[inch]	[mm]	[inch]	[mm]	[inch]	[kg]	[lb]
15	1/2	52	2-1/16	72	2-13/16	57	2-1/4	0.31	0.68
20	3/4	64	2-1/2	84	3-5/16	72	2-13/16	0.53	1.17
25	1	76	3	94	3-11/16	78	3-1/16	0.76	1.68
32	1-1/4	83	3-1/4	110	4-5/16	97	3-13/16	1.21	2.67
40	1-1/2	98	3-7/8	126	4-15/16	108	4-1/4	1.66	3.66
50	2	118	4-5/8	153	6	126	4-15/16	2.79	6.15

note:
1. if used for gas application, please consult our sales ofce.
2. design【敏感词】specifcations are subject to change without prior notice.
备注 :
1. 如应用于气体，请联系我司确认。
2. 设计和规格如有修改，恕不另行事先通知。