Full Bore Parallel Slide Gate Valve Hard face Stellite Rising Stem CF8 CF3 BW Flanged

Product Details:

Place of Origin:	中国
Brand Name:	GOLD TOP
Certification:	API 6D

Payment & Shipping Terms:

Minimum Order Quantity:	1 pcs
Price:	Negotiation
Packaging Details:	Plywood Case
Delivery Time:	30 days
Supply Ability:	100+pcs+30 days

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Detailed Product Description

Material:	Stainless / Carbon / Alloy Steel	Test Std:	API 598
End Connection Std.:	BW / Flanged	Presure:	150# ~1500#
Size:	2" - 48"	Face To Face:	B16.10
High Light:	flanged gate valve , high pressure gate valve

Parallel Slide Gate Valve

The gate is a split design using two discs spring loaded and held together by a gate holder with an spring to provide initial energizing when closed. The gate relies for seat tightness on the primary fluid pressure acting on the downstream half. There is no wedging action or extra loading on the seats resulting in considerably lower operating torque.

When the valve is in the open position the gate is completely clear of the seats. During closing there is a bevel on the bottom of the gate to guide it in between the seats and recompress the spring. Seating surfaces are hard faced with Stellite#6 to provide high cycle capability in very high differential pressure. Valve shut-off tightness: ANSI B16.104 Class V or Class VI optional.

Pressure Seal structure for valves≥4″are intended for high pressure, high temperature applications in all types of fluid except where severe coking is a factor. The design and material selections provide excellent service in steam-generation stations, industrial chemical plants and thermal power plants. Pressure Seal valves are offered in Cast Steel and Forged Steel body designs.

Specification

• Spring or spring to hold disc against seat for initial sealing
• Hard face Stellite or equivalent discs and seats
• Follow eye eliminates the fluid swirling disturb through the seat
• Specially designed stuffing box to suit expanded graphite packing
• Expanded graphite pressure seal ring
• Seal tightness: ANSI B16.104 Class V, VI optional

Main Features

Available in sizes from 2" to 24" diameter
Pressure Seal Valves are manufactured in strict accordance with the following standards: ASME B16.34 •ASME B16.10 •ASME B16.25 •API 598, API598/MSS-SP-41, MSS-SP-25
Precision machined gate for superior seating capability
Special design should be considered for applications outside of these conditions Non-clogging full port design for smooth flow
Easy conversion from hand-wheel to cylinder, bevel gear or electric motor operator.
The stem also has a back seat shoulder to match with the back seat ring in the bonnet
Factory installed V-port seat insert available

Advantages	Disadvantages
Available in large sizes	Low pressure limitations
Can be used with slurries and viscous liquids	Slow open and close time
Used as a shut off valve	Erosion of the seat and disk can occur
Easy to maintain and disassemble	Poor throttling characteristics
Inexpensive	Difficult to repair
Inherently fire-safe (when used with a metal sheet)	Should not be used in sanitary applications
Bidirectional

Parts and Material

Tag:

flexible wedge gate valve,

high pressure gate valve,

flanged gate valve

Contact Details

Wenzhou Goldtop Valve Co.LTD

Contact Person: sales

Tel: +8613758447235

Send your inquiry directly to us

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