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Model: Z41H
Nominal diameter: DN15 ~ 50mm
Nominal pressure: PN1.0 ~ 10.0MPa
Main material: A105, LF2, F5, F11, F22, F304, F316, F304L, F316L
Design and manufacture: GB12234GB1221GB9131
Structure Length: JB / T74
Connection Flange: GB9112 ~ 9131
Pressure - Temperature: HGJ67JB / T74 ~ 90
Test and Inspection: HGJ44 ~ 76JB / T9092

Forged steel gate valve Overview:

Forged steel gate valve has three kinds of bonnet design, the first is a bolt-type valve bonnet, connected by concave and convex surface, stainless steel with flexible graphite spiral wound gasket, ring can also be used on request connection, the second is the welding bonnet, Sealing by thread after welding, according to demand can also be directly used rigid welding, the third is self-sealing bonnet, threaded and self-sealing bonnet connection.

 

Forged steel gate valve standard material detail:

Serial number	Part Name	CStoASTM	AStoASTM	SStoASTM
		A105	F22	F304 (L)	F316 (L)
1	Body	A105	A182F22	A182F304 (L)	A182F316 (L)
2	Seat	A276420	A276304	A276304 (L)	A276316 (L)
3	gate	A182F430 & 410	A182F304	A182F304 (L)	A182F316 (L)
4	Valve stem	A182F6	A182F304	A182F304 (L)	A182F316 (L)
5	Gasket	316 clip flexible graphite		316 Clamp PTFE
6	cap	A105	A276f304	A276F304 (L)	A276F316 (L)
7	bolt	A193B7	A193B16	A193B8	A193B8M
8	Pin	A276420		A276 304
9	Packing pressure sleeve	A276410		A182F304 (L)	A182F316 (L)
10	Easter bolt	A193B7	A193B16	A193B8	A193B8M
11	Packing platen	A105	A182F11	A182F304 (L)	A182F316 (L)
12	Nut	A1942H	A1944	A1948	A1948M
13	Stem nut	A276420
14	fasten the screw nut	A1942H	A1944	A1948	A1948M
15	Nameplate	SS
16	Handwheel	A197
17	Gasket	A473431
18	filler	Flexible graphite		PTFE
Suitable media		Water, steam, oil and so on	Water, steam, oil and so on	Nitric acid, acetic acid and so on
proper temperature		-29 ° C to 425 ° C	-29 ° C to 550 ° C	-29 ℃ ~ 200 ℃

Note: Other materials required by the customer may also be used. Seal Material Matching Customers Specified Internal Part Code Decision

CS = carbon steel; AS = alloy steel; SS = stainless steel; 
 
 forged steel gate valve size (MM)
 (PN6.4MPa)

DN (mm)	L	D	D1	D2	bf	z-φd	H
Z40H-64C Z41Y-64C Z40Y-64P / R / PL / RL Z41Y-64P / R / PL / RL Z40W-64P / R / PL / R              Z41W-64P / R / PL / R Z40Y-641 Z41Y-641 (KZ41Y )
15	170	105	75	55	18-2	4-φ14	185
20	190	125	90	68	20-2	4-φ18	200
25	210	135	100	78	22-2	4-φ18	225
32	230	150	110	82	24-2	4-φ23	380
40	240	165	125	95	24-3	4-φ23	300
50	250	175	135	105	26-3	4-φ23	360
65	280	200	160	130	28-3	8-φ23	385
80	310	210	170	140	30-3	8-φ23	400
100	350	250	200	168	32-3	8-φ25	450
125	400	296	240	202	36-3	8-φ30	540
150	450	340	280	240	38-3	8-φ34	630
200	550	405	345	300	44-3	12-φ34	820
250	650	470	400	352	48-3	12-φ41	960
300	750	530	460	412	54-4	16-φ41	1130
350	850	595	525	475	60-4	16-φ41	1300
400	950	970	585	525	66-4	16-φ48	1450
450	1050	715	630	570	70-4	20-φ48	1550
500	1150	800	705	640	70-4	20-φ54	1680
600	1350	930	820	750	76-5	20-φ58	1900

 

(PN1.0MPa)

DN (mm)	L	D	D1	D2	bf	z-φd	H
Z40H-64C Z41Y-64C Z40Y-64P / R / PL / RL Z41Y-64P / R / PL / RL Z40W-64P / R / PL / R              Z41W-64P / R / PL / R Z40Y-641 Z41Y-641 (KZ41Y )
15	170	105	75	55	20-2	4-φ14	185
20	190	125	90	68	22-2	4-φ18	200
25	210	135	100	78	24-2	4-φ18	225
32	230	150	110	82	24-2	4-φ23	380
40	240	165	125	95	26-3	4-φ23	300
50	250	196	145	112	28-3	4-φ25	360
65	280	220	170	138	32-3	8-φ25	385
80	310	230	180	148	34-3	8-φ25	400
100	350	265	210	172	38-3	8-φ30	450
125	400	310	250	210	42-3	8-φ34	450
150	450	350	290	250	46-3	12-φ34	630
200	550	430	360	312	54-3	12-φ41	820
250	650	500	430	382	60-3	12-φ41	960
300	750	585	500	442	70-3	16-φ48	1130
350	850	655	560	498	46-4	16-φ54	1300
400	950	715	620	558	80-4	16-φ54	1450
450	1050	770	675	615	84-4	16-φ58	1550
500	1150	870	760	690	90-5	20-φ58	1880