hot sale ductile iron globe valve

 

TECHNICAL REQUIREMENT
Design and Manufacture Conform to BS EN13789/BS5152
Flange dimensions conform to EN1092-2
Face to Face dimensions conform to BS5152/EN558-1 list 10
Testing conform to EN12266-1

 

Materials of Parts
No.	Part Name	Material
1	Body	EN-GJL-250
2	Guide Spindle	2Cr13
3	Seat	ZCuSn5Pb5Zn5
4	Disc Seal Ring	ZCuSn5Pb5Zn5
5	Disc	EN-GJL-250
6	Lock Ring	Red Copper
7	Disc Cover	HPb59-1
8	Stem	HPb59-1
9	Bonnet Gasket	GRAPHITE+08F
10	Bonnet	EN-GJL-250
11	Bolt	CARBON STEEL
12	Packing	GRAPHITE
13	Packing Gland	HPb59-1
14	Gland Follower	ASTM A536 65-45-12
15	Stem Nut	ZCuZn38Mn2Pb2

 

Dimensions data (mm)
DN	50	65	80	100	125	150	200	250	300
L	203	216	241	292	330	356	495	622	698
D	165	185	200	220	250	285	340	405	460
D1	125	145	160	180	210	240	295	355	410
D2	99	118	132	156	184	211	266	319	370
b	20	20	22	24	26	26	30	32	32
n-d	4-19	4-19	8-19	8-19	8-19	8-23	12-23	12-28	12-28
f	3	3	3	3	3	3	3	3	4
H	273	295	314.4	359	388	454	506	584	690
W	200	200	255	255	306	360	360	406	406

 

Struction specification:

1.    Product structure is reasonable, reliable seal, high performance, attractive appearance

2.    Sealing surface CO-based alloy, good wear resistance, corrosion resistance, abrasion resistance, long service life

3.    Stem hardening and tempering and surface nitriding treatment, good corrosion resistance and  anti-friction properties

4.    Double seal, more reliable performance

5.    Stem lifting position indicator

6.    Parts materials, flange and welding dimensions can be based on the actual working  conditions or user requirements reasonable matching, to meet a variety of conditions.