Flange Check Valve ANSI

Application:
The nominal pressure of this check valve should be 150 LB ~ 600 LB, while the working temperature should be -29 ℃~ 550 ℃. It can be applied to various pipelines in petroleum, chemical, coal-fired power plant, etc. The applicable medium of this flange check valve ANSI can be water, oil, steam, etc.

Structure and Feature:
1. The materials of our flange check valve ANSI are well-selected and high quality. Most of them are in accord with the domestic and foreign relevant standards;

2. The disc, seat of this valve is made of the iron base alloy, satellite and cobalt base horniness alloy. Therefore, this valve has the traits of wear-resistance, high temperature resistance, corrosion resistance; scratch and long service life;

3. The design and manufacturing of this flange check valve ANSI can meet the standard of GB/T12235;

4. A variety of piping flange standards and flange seal type can be used in this valve to meet all kinds of engineering needs and customer's requirements.

5. The body materials of this flange check valve ANSI are various. The gaskets can be reasonable selected according to the actual working or user requirements. Our products can be applied to all kinds of pressure, temperature and medium conditions.

Note: Check valve with different structures and connection forms can be designed and manufactured according to your requirements to support various equipments.

Products Standard of Flange Check Valve ANSI:

Type	Design and manufacturing	Structure length	Flange size	Pressure～Temperature	Test～Check
Swing check valve	ANSI B16.34	ANSI B16.10	ANSI B16.15	ANSI B16.34	API 598
Lift check valve	BS 1868

Properties of Flange Check Valve ANSI:

Nominal pressure (Lb)		150	300	600
Strength test	MPa	3.1	7.8	15.3
	Lbf/in2	450	1125	2225
Water sealing test	MPa	2.2	5.6	11.2
	Lbf/in2	315	815	1630
Air seal test	MPa	0.5～0.7
	Lbf/in2	60～100

Material and Performance of Flange Check Valve ANSI:

Body, cover, petal, pitman, guide	Pin roll	Gasket	Seal surface	Working temperate (℃)	Suitable medium
WCB	2Cr13	Flexible graphite 1Cr13/ stainless steel / acid-resisting asbestine PTFE tooth-type gasket	13Cr STL PTFE Nylon	≤425	Water, steam, oil products, nitric acid, acetic acid, strong oxidation medium, urea
WC1				≤450
WC6				≤540
WC9				≤570
C5 C12				≤550
CF8	304			≤600
CF3	316
CF8M	304L
CF3M	316L

External and Connecting Dimensions of Flange Check Valve ANSI:unit: mm

NPS	DN	Class 150Lb							WT(Kg)
in	mm	L	D	D1	D2	b	Z-ΦD	H
2"	50	203	157	120.7	92	19.50	4-Φ19	161	17
21/2"	65	216	178	139.7	105	22.5	4-Φ19	180	23
3"	80	241	190.5	152.4	127	24	4-Φ19	190	33
4"	100	292	229	190.50	157.2	24	8-Φ19	220	44
6"	150	356	279	241.5	216	25.5	8-Φ22.5	257	78
8"	200	495	343	298.5	270	29	8-Φ22.5	292	137
10"	250	622	406	362	324	30.5	12-Φ25	350	207
12"	300	698	483	432	381	32	12-Φ25	398	279
14"	350	787	533	476.8	413	35	12-Φ29	445	387
16"	400	864	597	539.8	470	37	16-Φ29	490	446
18"	450	978	635	577.8	533	40	16-Φ32	520	621
20"	500	978	698	635	584	43	20-Φ32	546	770
24"	600	1295	813	749.3	692	48	20-Φ35	880	970

Class 300Lb

2"	50	267	165	127	92	22.5	8-Φ19	179.5	20
21/2"	65	292	190	150	105	25	8-Φ22	190	24
3"	80	318	210	168	127	29.0	8-Φ22.5	212.4	40
4"	100	356	254	200	157	32.0	8-Φ22.5	246	51
6"	150	445	317.5	269.7	216	37.0	12-Φ22.5	292	90
8"	200	533	381	330	270	41.5	12-Φ25.5	328	175
10"	250	622	444.5	387	324	48.0	16-Φ28.5	378.6	210
12"	300	711	521	451	381	51.0	16-Φ32	420	286
14"	350	838	584	514	54	54	20-Φ32	470	400
16"	400	864	648	572	57	57	20-Φ35	530	550
18"	450	978	711	629	60	60	24-Φ35	584	700
20"	500	1016	775	686	64	64	24-Φ35	610	860
24"	600	1346	914	813	70	70	24-Φ41	860	1931

Class 600Lb

2"	50	292	165	127	92	25	8-Φ19	203	34
21/2"	65	330	190	150	105	29	8-Φ22	229	45
3"	80	356	210	168	127	32	8-Φ22	235	63
4"	100	432	273	216	157	38	8-Φ25	286	114
6"	150	559	356	292	216	48	8-Φ29	330	207
8"	200	660	419	349	270	56	12-Φ29	381	387
10"	250	787	508	432	324	64	12-Φ32	457	580
12"	300	838	559	489	381	67	16-Φ35	584	778
14"	350	889	603	527	413	70	20-Φ38	635	9869
16"	400	991	686	603	470	76	20-Φ41	684	1380

Statement: this information is just for reference, for detailed information, please contact us.