Wafer Metal Seat Butterfly Valve

2021-01-14 07:18:26

Model NO.: D71H

Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)

Working Temperature: Medium Temperature (120Â°C<T<450Â°C)

Material of Seal Surface: Soft Sealed

Valve Body: Casting

Standard: GB / DIN/ ANSI

Application: Industrial Usage, Water Industrial Usage, Household Usage

Color: Blue or Customized

Pn: 10 16 150lb 300lb

Dn: 50-3200mm

Design: Cast / Forged

Operator: Manual / Electric Acuated / Pneumatic

Sealing: EPDM / NBR / PTFE / Viton / Stainless / Stelliete

Certification: Wars / Ce / ISO9001 / ISO14001 / GOST / SGS

Spray: 250 Micron

Used for: Tap-Water / Drink Water / Sea Water / Oil / Gas

Trademark: BH

Transport Package: Wooden Case

Specification: Ductile iron material

Origin: China

HS Code: 8481804090

Purpose

This product is used for water supply and drainage system in tap water ,sewage, Building, chemicals Industries ,usually used as an open-close equipment .

Features

Double /Three eccentric structure, strictly sealing ,long durable and lifetime .

Executive Standard

GB/T 9113.1

API 609 Category A

BS EN593/BS5155

Performance parameters

Nominal diameter:2"-80"/DN50-DN2000

Working pressure:10Bar/16Bar/25Bar

Face-to-face: API 609 Table 1/ISO 5752 Series 20/BS 5155

Flange accommodation: ANSI B16.1 Class125/150

EN1092-2 PN6/10/16/25

Top Flange:ISO5211

Tightness Inspection: API 598/ISO 5208,/EN12226-2

Main part material

Body: Cast steel, Stainless Steel

Disc: Cast steel, Stainless Steel

Stem: Stainless Steel

Sealing ring: Stainless Steel/PTFE

Packing: Flexible Graphite/PTFE

Performance parameters:

DN	40-----1200 mm
PN	1.0----1.6Â Â MPa
Suitable temperatur	100 Â°C max
Media	Water, gas, oil.
Operation	Manual /Â Electric /Â Pneumatic

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Packing: wooden case

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Wafer Metal Seat Butterfly Valve

We, BOHAI VALVE GROUP CO.,LTD., is aÂ factory which specialised in producing verious kinds of valves,it is located at Tianjin Bohai Ecnomical development zone and occupied more than 10 thousand square meters. We found on 1980 and has more than 38 years production history,and currently we have ten technical engineers and more than 100 workmen in the workroom.
Our products are being exported to Europe,America,Australia,Egypt and South-east Asian countries.We will provide the high quality products to our clients with excellent service and competitive prices.

Bohai valve group co., LTD..
Tel:86-022-28596661 ext 8015Â Â Â Â Â FAX: 86-022-8861 5222
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Web:www.bhvalve.cn
Add: No.88gao ying road, beizhakou town, jinnan district, Tianjin, China

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Mini Chiller

Cooling capacity 20kW-50kW

Characteristics:

1. Structure: Panels and base frame are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents.

2. Compressor: Hermetic scroll type compressor, equipped with the crankcase heater and thermal protection with thermal overload cut-out and crankcase heater mounted on rubber vibration isolators.

3. Axial fan: External rotor type axial fans, equipped with single phase direct drive motors, low noise 6 poles, protection level IP54, provided with a protective outlet grille.

4. Evaporator: High efficiency and low pressure drop stainless steel (AISI 316) water exchangers, with anti-freeze heating element (option) and differential pressure switch, factory insulated with flexible close cell material

5. Condenser Coils are consisting of seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins, 100% fully quality tested; sub cooling circuit to prevent freezing at the base (optional); protected with metal grill.

6. Desuperheater: High efficiency stainless steel brazed plate heat exchanger, factory insulated with flexible close cell material(optional).

7. Refrigerant circuit: Copper tube connection with charge valve, filter, sight glass, gas-liquid separator, thermostatic expansion valve, low pressure switch with automatic reset, high pressure switch with manual reset. The heat pump unit is completed also with 4-way valve, liquid receiver and one way valve.

8. Water circuit: Built with air vent valve, water drain connection, and female-threaded hydraulic connectors. Water pump (8kW-30kW), differential pressure switch. Expansion tank (8kW-30kW)

9. Electric panel: Compressor contactor, Compressor protection breaker, Fan motor protection breaker, Control circuit protection breaker, Phase sequence relay (only for 3-phase), Programmable microprocessor controller

10. Optional: Additional electric heater embedded in the coils for defrosting in low temperature ambient. It must be factory installed; Stainless steel covering; Remote condenser; Tube in tube heat exchanger; Water circuit electric heater.

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