PZ41H/Y Manual Slagging Wear Resistant Gate Valve

The working principle of PZ41H slag discharge gate valve is used to cut off or connect the medium in the pipeline. Different materials are selected and can be applied to various media such as water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea, etc. It has three forms of body cover connection design,
The first type is a forged steel gate valve with a body cover welded connection. Valves designed according to this connection form have a fully welded seal between the valve body and the valve cover, with the advantage of no external leakage
The second method is to connect the forged steel gate valve with the body cover bolt. The valve designed according to this connection form has a bolt connection between the valve body and the valve cover, and a spiral wound gasket seal. The advantage is that it is easy to maintain.
The third type is a pressure self tightening forged steel gate valve with a valve cover. The valve is designed according to this connection form, and the valve body and valve cover are connected by screws. The internal pressure self sealing ring is used for sealing. The advantage is that the greater the internal pressure, the better the sealing performance.
Installation and usage instructions for PZ41H slag discharge gate valve:

All types of manual valves installed on insulated pipelines must not have their handles facing downwards.
The installation position, height, and inlet/outlet direction must meet the design requirements, and the connection should be firm and tight.
Before the installation of forged steel gate valves, a visual inspection must be carried out, and the valve nameplate should comply with the provisions of the current national standard "General Valve Markings" GB 12220. For valves with a working pressure greater than 1.0 MPa and serving as a cut-off on the main pipeline, strength and tightness tests should be conducted before installation. Only after passing the tests can they be used. During the strength test, the test pressure should be 1.5 times the nominal pressure, and the duration should not be less than 5 minutes. The valve casing and packing should have no leakage, which is considered qualified. During the tightness test, the test pressure is 1.1 times the nominal pressure; The test pressure should meet the requirements of GB 50243 standard during the duration of the test, and it is qualified if there is no leakage on the sealing surface of the valve disc. Manual, flange connected, rising stem wedge type rigid single gate valve, valve seat sealing surface material is stainless steel, nominal pressure PN10~PN63, valve body material is gray cast iron (PZ41H-10 PZ41H-16), carbon steel (PZ41H-10C-63) slag discharge gate valve.

Product performance parameter:

PZ41H slugging gate valve PN10 ~ PN63 main performance parameters
Model	PN	Working pressure /MPa	Applicable temperature/℃	Applicable medium
PZ41H-10	10	1.0	≤100	Ash, slag and water mixture (ash/water ratio 1:1:5 Max particle size ≤50mm)
PZ41H-16	16	1.6
PZ41H-10C	10	1.0
PZ41H-16C	16	1.6
PZ41H-25	25	2.5
PZ41H-40	40	4.0
PZ41H-63	63	6.3

Product component materials:

PZ41H slugging gate valve PN10 ~ PN63 parts materials
Model	Material
	Valve body,valve cover	Disc	Valve body sealing ring	Valve stem	Gasket	Filler
PZ41H-10	Gray cast iron	Gray cast iron with chrome inlaid stainless steel	Gray cast iron with chrome inlaid stainless steel	Chromium stainless steel	Rubber asbestos board	Asbestos graphite
PZ41H-16
PZ41H-10C	Carbon steel	Carbon steel overlay welding of iron-based alloys	Carbon steel overlay welding of iron-based alloys
PZ41H-16C
PZ41H-25
PZ41H-40
PZ41H-63

Product appearance and structural dimensions:

PZ41H-10 slag-discharge gate valve main shape and structure size (mm)
DN	L	D	D1	D2	b	z×Φd	f	H	H1	重量/kg
50	250	165	125	99	20	4×Φ18	3	420	335	57
80	280	200	160	132	20	8×Φ18	3	615	510	75
100	300	220	180	156	22	8×Φ18	3	805	685	93
150	350	285	240	211	24	8×Φ22	3	652	790	155
200	400	340	295	266	24	8×Φ22	3	1085	885	217
250	450	395	350	319	26	12×Φ22	3	1235	1015	280
300	500	445	400	370	26	12×Φ22	4	1450	1190	350
350	550	525	460	429	26	16×Φ22	4	1640	1350	540
400	600	565	515	480	28	16×Φ26	4	1798	1460	820
450	650	615	565	530	28	20×Φ26	4	1980	1620	1120
500	700	670	620	582	30	20×Φ28	4	2190	1800	1440

PZ41H-16 slag-discharge gate valve main shape and structure size (mm)
DN	L	D	D1	D2	b	z×Φd	f	H	H1	Weight/kg
50	250	165	102	99	20	4×Φ18	3	420	335	60
80	280	200	133	132	22	8×Φ18	3	615	510	78
100	300	220	180	158	24	8×Φ18	3	805	685	96
150	350	285	240	212	28	8×Φ22	3	952	790	158
200	400	340	295	268	30	12×Φ22	3	1085	885	222
250	450	405	355	320	32	12×Φ26	3	1235	1015	289
300	500	460	410	370	34	12×Φ26	4	1450	1190	365
350	550	520	470	430	38	16×Φ26	4	1640	1350	558
400	600	580	525	482	40	16×Φ30	4	1798	1460	850
450	650	640	585	532	44	21×Φ30	4	1980	1620	1164
500	700	715	650	585	46	20×Φ33	4	2190	1800	1482

PZ41H-25 slag-discharge gate valve main shape and structure size (mm)

DN	L	D	D1	D2	b	z×Φd	f	H	H1	重量/kg
50	250	165	125	102	20	4×Φ18	3	420	335	99
80	280	200	160	133	22	8×Φ18	3	615	510	118
100	300	235	190	158	24	8×Φ22	3	805	685	147
150	350	300	250	212	30	8×Φ26	3	952	790	204
200	400	360	310	278	34	12×Φ26	3	1085	885	273
250	450	425	370	335	36	12×Φ30	3	1235	1015	383
300	500	485	430	390	40	16×Φ30	4	1450	1190	478
350	550	555	490	450	44	16×Φ33	4	1640	1350	680
400	600	620	550	505	48	16×Φ36	4	1798	1460	1008
450	650	670	600	555	50	20×Φ36	4	1980	1620	1344
500	700	730	660	615	52	20×Φ36	4	2190	1800	1827

PZ41H-40 slag-discharge gate valve main shape and structure size (mm)
DN	L	D	D1	D2	b	z×Φd	f	H	H1	重量/kg
50	250	165	125	88	20	4×Φ18	3	444	340	98
80	310	200	160	121	22	8×Φ18	3	636	508	126
100	350	235	190	150	24	8×Φ22	3.5	930	680	456
150	450	300	250	204	30	8×Φ26	3.5	984	800	228
200	550	375	320	260	38	12×Φ30	3.5	1094	875	298
250	650	450	382	313	42	12×Φ33	3.5	1270	1010	372
300	750	515	450	364	46	16×Φ33	3.5	1470	1180	450
350	850	580	510	422	52	16×Φ36	4	1555	1245	530
400	950	660	585	474	58	16×Φ39	4	1650	1280	610
450	4050	685	610	524	60	20×Φ39	4	1817	1415	690
500	1150	755	670	576	62	20×Φ42	4	1990	1560	772

PZ41H-63 slag-discharge gate valve main shape and structure size (mm)
DN	L	D	D1	D2	b	z×Φd	f	H	H1	重量/kg
50	250	180	135	88	26	4×Φ22	3	444	340	142
80	310	215	170	121	30	8×Φ22	3	636	508	168
100	350	250	200	150	32	8×Φ26	3.5	830	680	210
150	450	345	280	204	38	8×Φ33	3.5	984	800	270
200	550	415	345	260	44	12×Φ36	3.5	1094	875	367
250	650	470	400	212	48	12×Φ36	3.5	1270	1010	450
300	750	530	460	364	54	16×Φ36	3.5,	1470	1180	548
350	850	600	525	422	60	16×Φ39	4	1555	-	532
400	950	670	585	474	66	16×Φ42	4	1650	1280	615
450	1050	715	630	524	70	20×Φ42	4	1817	1415	695
500	1150	800	705	476	76	20×Φ48	4	1990	1560	778