flexible rubber butterfly valves

Flexible Rubber Butterfly Valves Replacement of Stainless Steel Butterfly Valves Cost-effective Valve Absorbs Noise/Vibration

Flexible Rubber Butterfly Valves

Description:

Flexible Butterfly Valves (KSFD,KSD), the latest items, have been patented nationally(NO.ZL96112556.X) and acclaimed unanimously after the carefully scientific and technological assessment in the Provincical Administration. Our company enjoys the exclusive patent of them.

Characteristics:

Being heat-proof,acid-proof,alkali-proof,oil-proof, they are able to replace the flexible rubber joints and other types of valves.

Product Advantages:

 

1)Small in size and light in weight and maintaince.   It can be mounted whereever needed.

 

2)Simple, compact structure, quick 90 degree on-off operation.

 

3)Disc has two-way bearing, perfect seal, without leakage under    the pressure test.

 

4)Flow curve tending to straight-line. Excellent regulation performance.

 

5)Various kinds of materials, applicable to different medium.

 

6)Strong wash and brush resistance and can fit to bad working condition.

 

7)Center plate structure, small torque of open and close.

 

8)Long service life. Standing the test of ten thousands opening and    closing operation.

 

9)Can be used in cutting off and regulation medium

KSFD,KSD Flexible Butterfly Valves are widely used in the areas of chemical industry, sanitation, ironing, paper-making, water-supplying, brewing, draining, construction and so on.

Product Information:

Size	DN40-DN1200
End flange	ANSI B 16.1, EN 1092, AS 2129
Face to face	ANSI B 16.10; EN 558-1 Series 20
Top flange	ISO 5211
Normal Pressure	DN40-DN600 PN1.0/1.6MPa (150/200PSI) DN700-DN1200 PN1.0MPa (150PSI)
Body	CI/DI/WCB/ALB/CF8/CF8M
Disc	DI/ALB/Rubber lined Disc/ 1.2501/CF8M/1.4529/CF8/Hastelloy Alloy/Monel
Stem:	416/304/316/431/17-4PH
Seat	NR/Hypalon/EPDM/Neoprene/NBR/Wear-Resistant  EPDM/Viton/Silicon/Heat-Resistant EPDM/White NBR/White EPDM/EPDM (NSF)/PTFE
Suitable Temperature	-40c~80c
Apply	Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.

Suitable Medium:

Water, sewage,sea water, air, foodstuff, oil etc.

Working Temperature:

-10°C~150°C

Products:

We can produce butterfly valves, check valves, gate valves and so on with the materials of ductile iron, carbon steel, stainless steel to order. Our products are designed and manufactured in accordance with the standards of GB, ASME, ANSI, API, BS, DIN, JIS etc.

Technical data:

DN	Length	Flange OD	Bolt diameter	Bolt no.	extension	compression	Horizontal displacement	Deflection angle°
40	140	145	18	4	6	10	9	7.5
50	150	160	18	4	7	10	10	7.5
65	170	180	18	4	7	13	11	7.5
80	180	195	18	4	8	15	12	7.5
100	190	215	18	8	10	19	13	7.5
125	200	245	18	8	12	19	13	7.5
150	210	280	23	8	12	20	13	7.5
200	230	335	23	8	16	25	14	7.5
250	250	390	23	12	16	25	22	7.5
300	270	440	23	12	16	25	22	7.5
350	290	500	23	16	16	25	22	7.5
400	310	565	25	16	16	25	22	7.5
500	350	670	25	20	16	25	22	7.5
600	390	780	30	20	16	25	22	7.5

flexible rubber butterfly valves