NFA42C、NFWA42C大口径安全阀-万能阀门有限公司手机版

详细介绍

NFA42C、NFWA42C大口径安全阀用途及特点

1. 适用于炼油连续重整、三十万吨乙烯、尿素化肥、电厂汽轮机等场合，起安全泄压作用。

2. 根据用户介质、温度等特殊需要，分别可以采用不同材料、不同结构的安全阀。有适用于尿素化肥的双相不锈钢安全阀，适用于炼油用的波纹管平衡式安全阀，适用于电厂的合金钢高温安全阀。

主要性能规范 Main property and specifiecation

Normal Pressure	PN	150		300	600	1,500
Body strangth	Ps(MPa)	3.0		7.5	15	37.5
Set pressure	Pk(MPa)	0.1-2		1.6-5	3.2-10	10-25
Seal pressure	Pm(MPa)	90% Pk
Reseation pressure	Ph(MPa)	90% Pk
Relieving pressure	Pp(MPa)	1.1 Pk
Llift	H(mm)	1/ d0 4
Appropriate temperature		C	300
		P R	200
Appropriate medium		C	Gas,Liquid
		P R	Nitric Acid,Acetic Acid,Gas,Liquid

主喉部直径代号 Code of throat diameter

Code	Diameter	Code	Diameter
D	10	L	50
E	13	M	55
F	16	N	60
G	20.5	P	72
H	26	Q	96
J	33	R	115
K	40	T	148

主要尺寸 Main Dimension

NFWA42C150 NFWA42C150P NFWA42C150R
Nominal Diameter DN(in)	Dimension (mm)
Nominal Diameter DN(in)	do	D	D1	D2	b	t	Z- d	DN'	D'	D1'	D2'	b'	t'	Z- d'	L	L1	H
1/2"X3/4"	D	89	60.5	35	12	5	4-15	20	98	70	43	14	1.6	4-15	90	90	320
3/4" X1"	D	98	70	43	14	5	4-15	25	108	79.5	51	15	1.6	4-15	96	92	330
1" X1 1/2"	D	108	79.5	51	15	5	4-15	40	127	98.5	73	18	1.6	4-15	115	105	340
1" X2"	D	108	79.5	51	15	5	4-15	50	152	120.5	92	18	1.6	4-19	115	105	340
11/2 " X2"	G	127	98.5	73	18	5	4-15	50	152	120.5	92	18	1.6	4-19	121	124	360
11/2" X2 1/ 2"	G	127	98.5	73	18	5	4-15	65	178	139.5	105	20	1.6	4-19	121	124	380
11/2"X3"	G	127	98.5	73	18	5	4-15	80	190	152.5	127	22	1.6	4-19	124	130	380
2" X2 1/ 2"	H	152	120.5	92	18	5	4-19	65	178	139.5	105	20	1.6	4-19	124	130	390
2"X3"	J	152	120.5	92	18	5	4-19	80	190	152.5	127	22	1.6	4-19	124	130	390
21/ 2" X4"	J	178	139.5	105	20	5	4-19	100	229	190.5	157	24	1.6	8-19	143	137	390
3"X4"	L	190	152.5	127	22	5	4-19	100	229	190.5	157	24	1.6	8-19	162	156	460
4"X 6"	N	229	190.5	157	24	10	8-19	150	279	241.5	216	26	1.6	8-22	210	197	540
6"X8"	P	279	241.5	216	26	10	8-22	200	343	298.5	270	29	1.6	8-22	241	240	780
8"X10"	R	343	298.5	270	29	10	8-22	250	406	362	324	31	1.6	12-25	279	276	820
12"X14"	T	483	432	381	32	10	12-25	350	533	476	413	35	1.6	12-29	370	360	890
NFWA42C300 NFWA42C300P NFWA42C300R
Nominal Diameter DN(in)	Dimension (mm)
Nominal Diameter DN(in)	do	D	D1	D2	b	t	Z- d	DN'	D'	D1'	D2'	b'	t'	Z- d'	L	L1	H
1/2"X3/4"	D	95	66.5	35	15	5	4-15	20	98	70	43	14	1.6	4-15	90	90	320
3/4" X1"	D	117	82.5	43	16	5	4-19	25	108	79.5	51	15	1.6	4-15	96	92	330
1" X1 1/2"	D	124	89	51	18	5	4-19	40	127	98.5	73	18	1.6	4-15	115	105	340
1" X2"	D	124	89	51	18	5	4-19	50	152	120.5	92	18	1.6	4-19	115	105	340
11/2 " X2"	F	156	114.5	73	20	5	4-22	50	152	120.5	92	18	1.6	4-19	121	124	360
11/2" X2 1/ 2"	F	156	114.5	73	20	5	4-22	65	178	139.5	105	20	1.6	4-19	121	124	380
11/2"X3"	F	156	114.5	73	20	5	4-22	80	190	152.5	127	22	1.6	4-19	124	130	380
2" X2 1/ 2"	H	165	127	92	22	5	8-19	65	178	139.5	105	20	1.6	4-19	124	130	390
2"X3"	H	165	127	92	22	5	8-19	80	190	152.5	127	22	1.6	4-19	124	130	390
21/ 2" X4"	J	190	149	105	24	5	8-22	100	229	190.5	157	24	1.6	8-19	143	137	390
3"X 4"	L	210	168.5	127	28	5	8-22	100	229	190.5	157	24	1.6	8-19	162	156	460
4"X 6"	N	254	200	157	32	10	8-22	150	279	241.5	216	26	1.6	8-22	210	197	540
6"X 8"	P	318	270	216	38	10	12-22	200	343	298.5	270	29	1.6	8-22	241	240	780
8"X10"	R	381	330	270	42	10	12-25	250	406	362	324	31	1.6	12-25	279	276	820
10"X12"	T	445	387.5	324	46	10	16-29	350	533	476	413	35	1.6	12-28	350	330	890
注：出口法兰为150Lb。 Remark:150Lb for outlet flange.
NFWA42C600 NFWA42C600P NFWA42C600R
Nominal Diameter DN(in)	Dimension (mm)
Nominal Diameter DN(in)	do	D	D1	D2	b	t	Z- d	DN'	D'	D1'	D2'	b'	t'	Z- d'	L	L1	H
3/4" X1"	D	118	82.5	43	16	7	4-19	25	108	79.5	51	15	1.6	4-15	96	92	330
1" X2"	D	124	89	51	19	7	4-19	50	152	120.5	92	18	1.6	4-19	115	105	340
11/2 " X2"	F	156	114.5	73	22	7	4-22	50	152	120.5	92	18	1.6	4-19	152	124	360
11/2" X2 1/ 2"	F	156	114.5	73	22	7	4-22	65	178	139.5	105	20	1.6	4-19	152	124	380
11/2"X3"	F	156	114.5	73	22	7	4-22	80	190	152.5	127	22	1.6	4-19	152	124	380
2" X2 1/ 2"	H	165	127	92	26	7	8-19	65	178	139.5	105	20	1.6	4-19	162	154	390
2"X3"	H	165	127	92	26	7	8-19	80	190	152.5	127	22	1.6	4-19	162	154	390
21/ 2" X4"	K	190	149	100	29	7	8-22	100	229	190.5	157	24	1.6	8-19	143	165	390
3"X4"	K	210	168	127	32	10	8-22	100	229	190.5	157	24	1.6	8-19	162	155	460
4"X6"	N	273	216	157	38	10	8-25	150	279	241.5	216	26	1.6	8-22	210	200	540
6"X8"	P	356	292	216	46	10	12-29	200	343	298.5	270	29	1.6	8-22	241	240	780
注：出口法兰为150Lb。 Remark:150Lb for outlet flange.

产品简介

详细介绍