Ductile Iron Pn16 DN50 Gear Operated Flange Type Concentric Butterfly Valve

• Customization: Available
• Media: Water
• Driving Mode: Manual
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Metal Hard Sealed
• Valve Body: Casting
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Size: DN50~DN600(2″~24″)
• Norminal Pressure: Pn 16
• Temperature Range: -10~90ºC
• Suitable for: Water and Neutral Liquids
• Design Standard: En 593, BS 5155
• Connection Standard: Suit for En1092-2
• Face to Face Standard: En 558-1 Basic Se
• Top Flange Standard: ISO5211/1
• Transport Package: Carton and Pallets
• Trademark: OEM
• Origin: China
• HS Code: 8481804090
• Production Capacity: 50000/Years

Product Description

Product Description

Features and Benefits: 

• Vulcanized EPDM seat, low torque operated.
• Streamlined SS304 disc, corrosion resistant, lower water head lost.
• ISO top flange as standard ISO 5211, easy to assemble acuators.
• Bi-directional shut-off seat.
• Both gear and lever operated are available.
• Gearbox  operation: DN200~DN600.

 

NO	Size	DN	A	B	L	L1	D	K	d	kg
1	2″	50	83	120	108	111	165	125	99	11
2	2½″	65	93	130	112	115	185	145	118	13
3	3″	80	100	145	114	117	200	160	132	15
4	4″	100	114	155	127	130	220	180	156	17
5	5″	125	125	170	140	143	250	210	184	22
6	6″	150	143	190	140	143	285	240	211	27
7	8″	200	170	205	152	155	340	295	266	41
8	10″	250	198	235	165	168	405	355	319	56
9	12″	300	223	280	178	182	460	410	370	72
10	14″	350	312	310	190	194	520	470	429	86
11	16″	400	330	400	216	221	580	525	480	128
12	18″	450	353	422	222	227	640	585	548	165
13	20″	500	390	480	229	234	715	650	609	187
14	24″	600	495	562	267	272	840	770	720	270

Applicable Standards:
Design standard:BS5155, EN593, API609
Connection standard:suit for BS EN1092-2
Top flange standard:ISO5211
Face to face standard:BS EN558-1 basic series 13
Pressure test standard:BS EN12266-1, API598

 
Technical Data:

Size: DN50~DN600(2″~24″)
Nominal pressure: PN 16
Temperature range: 0~80ºC
Suitable for: Water and neutral liquids

Materials Specifications

No.	Component	Material
1	Body	Ductile Iron JS1040
2	Disc	Option1: Ductile Iron Epoxy Coating Option2: Stainless Steel SS304 Option3: AI - Bronze
3	Stem	Stainless Steel SS420
4	Seat	Rubber, EPDM
5	O- ring	Rubber, EPDM

 
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FAQ

Are you a manufacturer or trading company?
DVK Valve is a specialized valve manufacturer, backed by a skilled and experienced R&D team.

Are you make OEM or ODM product?
Yes, if QTY attractive enough, we can create new mould for you, make bodies casting with your logo and your nameplate; if QTY not attractive enough, will be only with your nameplates or labels.

What kinds of valve can you supply?
We can supply butterfly valve, ball valve, check valve, gate valve, control valve, brass valve, bronze valve, strainer, valve fittings and so on.

How long is your delivery time?
General speaking, we have some stock for regular products, it is 1~2 weeks if the goods are in stock; if not in stock will be 4~8 weeks, depends on quantity.

What's the package and how do you ship the goods?
We typically use seaworthy plywood cases for packaging. Shipping is usually done by sea, other shipping methods can also be arranged. Please contact us if you require a different shipping route.

Can you provide the relevant documentation and certificates?
Yes, we can provide the necessary documentation and certificates, including the ISO9001,ISO24001, ISO45001, CE, BV, ABS, SIRIM, TUV-SUD etc. We can also provide the Test Report, Certificate of Material Analysis, Certificate of Origin, and other export documents if required.

Do you provide free samples?
If samples available in stock, yes, we could offer the free sample to you, but the air cost or courier cost will be on your account.

What are your payment terms?
Order value less than 2000USD, 100% in advance. Order value more than 2000USD, 30% T/T in advance, balance before shipment. L/C available as well.