NKD341 Soft Seal Flange Butterfly Valve

Summary:

Product Model：

Valve Body Material：

Specification：

Suitable Temperature：

Application Field：

Nominal Pressure：

Medium：

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Product description

Production Use
Soft sealing butterfly flange valve is suitable for the temperature of <120 C, nominal pressure of <1.6 MPa or less food, medicine, chemical, petroleum, electric power, textile, paper making and so on water supply and drainage, gas pipeline to adjust the action of flowand intercepting medium.

Production Features
1. Novel design, reasonable, unique structure, light weight, rapid opening and closing;
2. Small operation torque, easy to operate, saving smart;
3. Can any position installation, maintenance is convenient;
4. Seal can be replaced, sealed performance is reliable to achieve two-way sealing zero leakage;
5. Sealing material ageing resistance, corrosion resistance, long service life, etc.

Production Standard Adopted

Product Specification

Design Spec

Face to Face

Flange End

Test & Check

GB/T12238

GB/T12221

GB/T9113

JB/T9092

GB/T13927

Products Performance Specification

Nominal Pressure	PN(MPa)	0.6	1.0	1.6
Test Pressure PN（MPa）	Strength Test	0.9	1.5	2.4
	Sealing Test	0.66	1.1	1.76
	Gas Seal Test	0.6	0.6	0.6
Applicable Medium	Air,Water,Sewage,Steam,Gas,Oil,Etc
Drive Form	Manual,Worm,Worm Gear Drive,Gas Drive,the Electric Transmission

Main Part Materials

Part name	Material
Body	Cast Iron,Nodular Cast Iron,Carbon Steel,SS
Gate	Gray Cast Iron,Ductile Cast Iron,Cast Steel,Stainless Steel and Special Materials
Seal Ring	Ductile Cast Iron,Cast Steel,Alloy Steel,Stainless Steel
Stem	2Cr13,Cast Steel
Packing	O-rings,Flexible Graphite

Main External Connection Dimensions

DN	L	D	D1	D2	b	f	N-d0	A	K	E	F	H	H1	H2	Ф2	N-d1
50	108	4-Φ18	180	65	50	13	83	338	28	12.6	4-Ф7	4-Φ18	180	65	50	13
65	112	8-Φ18	180	65	50	13	93	358	28	12.6	4-Ф7	8-Φ18	180	65	50	13
80	114	8-Φ18	245	65	50	13	100	413	28	12.6	4-Φ7	8-Φ18	245	65	50	13
100	127	8-Φ18	240	90	70	13	114	428	28	15.77	4-Ф10	8-Φ18	240	90	70	13
125	140	8-Φ18	240	90	70	13	125	444	28	18.92	4-Φ10	8-Φ18	240	90	70	13
150	140	8-Φ22	350	90	70	13	143	553	28	18.92	4-Ф10	8-Φ22	350	90	70	13
200	152	12-Ф22	350	125	102	13	170	678	38	22.1	4-Φ12	12-Ф22	350	125	102	13
250	165	12-Ф26	550	125	102	13	198	742	38	28.45	4-Ф12	12-Ф26	550	125	102	13
300	178	12-Ф26	600	125	102	20	223	803	38	31.6	4-Φ12	12-Ф26	600	125	102	20
350	190	16-Ф26	600	150	125	20	270	866	45	31.6	4-Ф14	16-Ф26	600	150	125	20
400	216	16-Φ30	600	175	140	20	300	940	51	33.15	4-Φ18	16-Φ30	600	175	140	20
450	222	20-Φ30	750	175	140	20	340	995	51	37.95	4-Φ18	20-Φ30	750	175	140	20
500	229	20-Ф33	750	175	140	22	355	1058	57	41.12	4-Φ18	20-Ф33	750	175	140	22
600	267	20-Φ36	750	210	165	30	410	1163	70	50.63	4-Ф22	20-Φ36	750	210	165	30
700	292	24-Φ36	750	300	254	30	478	1283	66	63.35	8-018	24-Φ36	750	300	254	30
800	318	24-Φ39	750	300	254	30	529	1398	66	63.35	8-Φ18	24-Φ39	750	300	254	30
900	330	28-Φ39	1250	300	254	34	584	1498	118	75	8-Φ18	28-Φ39	1250	300	254	34
1000	410	28-Ф42	1500	300	254	34	357	1608	142	85	8-018	28-Ф42	1500	300	254	34
1200	470	32-Ф48	1500	350	298	34	799	1876	150	105	8-Ф22	32-Ф48	1500	350	298	34
1400	530	36-Ф48	-	415	356	40	919	-	200	120	8-Φ32	36-Ф48	-	415	356	40

Note: The flange size in this table is in accordance with JB/T 79-2015 standard series 1 size, and the structure length is in accordance with GB/T12221-2005 standard.

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Keywords：

D341 Soft Seal Flange Butterfly Valve

Category：

Butterfly Valve Series

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