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Cast Iron Double Flanged Butterfly Valves For Chemical , Beverage

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Cast Iron Double Flanged Butterfly Valves For Chemical , Beverage

Large Image : Cast Iron Double Flanged Butterfly Valves For Chemical , Beverage

Product Details:

Place of Origin:	Shanghai , China
Brand Name:	OEM
Certification:	WRAS/ ISO 9001
Model Number:	DN2800

Payment & Shipping Terms:

Minimum Order Quantity:	Negotiable
Price:	negotiation
Packaging Details:	Usually packing by plywood case suit for sea delivery
Delivery Time:	1usually within 35 days after received your payment
Payment Terms:	T/T advance or L/C at sight
Supply Ability:	90,000pcs per month

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Detailed Product Description

Product Name:	Double Flanged Butterfly Valves	Usage:	Chemical , Beverage
Size:	OEM	Pressure:	Cast Iron
Standard:	DIN / BS / AWWA / JIS	Body:	Ss304
Disc/wedge:	Stainless Steel/ SS304/SS316
High Light:	ductile iron butterfly valve , water butterfly valves

Cast Iron Double Flanged Butterfly Valves For Chemical , Beverage

Double Flanged Butterfly Valves Main Features

1) Small and portable, easy dismouting and maintenance, and can be installed in any position.

2) Simple and compact structure, 90° rotary ability, fast opening and closing.

3) Small operation torque, labor-saving and light.

4) Flow curve tends to be a straight line, good regulation performance.

5) Fully sealing tightness, no leakage under the pressure test.

6)Choose different parts material, can be applied to a variety of medium.

Double Flanged Butterfly Valves Specification

Item No		D373H-10K
DN(mm)		DN50~DN3000
pressure(Mpa)		1.0
Test pressure (Mpa)	Seal test	1.1
	Body test	1.5
temperature		≤350℃
medium		Water, sewage, sea water, hot water etc.,

Double Flanged Butterfly Valves FEATURES

⊙ Metal seated, good seal

⊙ Low weight

⊙ Low flow resistance

⊙ Small operation torque

Double Flanged Butterfly Valves APPLICABLE STANDARDS

1. Design according : API 609

2. Test standard according: JIS B2003

3. Connect flange standard according: JIS B2212

5. Item Name of part Material Spec

NO	Part name	Material
1	Body	SS304
2	Gear box	Assembly
3	Disc	SS304
4	Stem	SS416
5	Seal ring	316+Graphite
6	packing	Graphite

6. Operation:

6.1. The two pipe flange should be smooth.

6.2. Put the butterfly valve in the pipe line, fixed the orientation hole first.

7. Delivery:

When delivery or store the butterfly valve, should keep in dry and cool environment.

8. Note:

8.1. Pipe flange should same as the butterfly valve flange.

8.2. Check the valve before installed, the environment should correspond to the butterfly valve

specification.

8.3. Before open butterfly valve, checking the disc without dirt.

8.4. The disc must be shut off place when installed.

8.5. Adjusting the pipe connect before installed.

8.6. The connect flange should be parallel.

8.7. After installed, the pressure test disc should be open place.

8.8. If the butterfly can not natural open or close, please kindly check it careful, can not strike, tamp or

use extension lever.

8.9. When maintenance or operation, must check the stem, lever, gear box or actuator have correctly

connect. Otherwise the stem will be push by pipe pressure.

9. The malfunction and resolving:

malfunction	whys	solution
Seal leak	1, Some rubbish on the seal 2, Seal have been light damage	① Clean the rubbish. ② Replacing the disc
Stem Packing leak	1, packing be damaged 2, packing lapse	① Tighten the gland nut ② Change the packing
flange leak	1, the nut release 2, gasket lapse	1 . Tighten the nut 2. Change the gasket

10. Maintenance

Open the worm box cover and add some butter per two months.

Check the seal, packing and flange, if leak, please maintain ASAP.

Specifications:

Size: DN50 - 3000
Temperature: -15℃ - 150℃
Pressure: 1.0MPa/1.6MPa

Materials
Materials of Body : Ductile Iron (GGG40, GGG50). Cast Iron (GG25), Stainless Steel

Materials of Disc : Stainless Steel. Nickel Plated, Ductile Iron, Ductile Iron Coated Plastic,

Titanium Steel, Copper Alloy etc

Wafer Rubber Seated Butterfly Valves

DN (mm)	PN (MPa)	Connection dimensions(mm)
		L	D	D1	Zφd
		L	D	D1	Zφd
40	1.0/1.6	43	145	110	4-18
50		43	165	125	4-18
65		46	185	145	4-18
80		46	200	160	4-18/8-18
100		52	220	180	8-18
125		56	250	210	8-18
150		56	285	240	8-22
200		60	340	295	8-22/12-22
250		68	395/405	350/355	12-22
300		78	445/460	400/410	12-22
350	1.0	78	505	460	16-22
400		102	565	515	16-26
450		114	615	565	20-26
500		127	670	620	20-26
600		154	780	725	20-30
700		165	895	840	24-30
800		190	1015	950	24-33
900		203	1115	1050	28-33
1000		216	1230	1160	28-39
1200		254	1455	1380	32-39
1200	0.6/0.25	254	1400/1375	1340/1320	32-34/32-30
1400		279	1620/1575	1560/1620	36-34/36-30
1600		318	1820/1785	1760/1730	40-34/40-30
1800		356	2045/1985	1970/1930	44-41/44-30
2000		406	2265/2185	2180/2130	48-48/48-30