Merit Brass

3-PC Stainless Steel Ball Valve Full Port NPT, 1000 WOG

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SKU:
KV310FP
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  • KV310FP 3-PC Stainless Steel NPT Ball Valve
  • KV310FP 3-PC Stainless Steel NPT Ball Valve Data Sheet
  • KV310FP 3-PC Stainless Steel NPT Ball Valve Data Sheet
$35.06 - $479.12

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Description

3-PC Stainless Steel Ball Valve Full Port NPT, 1000 WOG

3-PC Stainless Steel Full Port NPT Ball Valves provide durable quarter-turn shutoff for compatible threaded piping systems where corrosion resistance, high working pressure, and serviceability are important. The three-piece body design allows the valve center section to be serviced or removed more easily than many one-piece or two-piece configurations.

This valve features a full-port NPT threaded design, blow-out-proof stem, and pressure balance hole in the ball slot. The supplied product information identifies the valve as rated to 1000 WOG and manufactured in China.

Product Highlights

  • Three-piece stainless steel ball valve
  • Full-port design
  • NPT threaded connections
  • 1000 WOG rating
  • Blow-out-proof stem
  • Pressure balance hole in ball slot
  • Quarter-turn shutoff operation
  • Three-piece body construction
  • Designed to help minimize flow restriction
  • Serviceable valve body configuration
  • Country of origin: China
  • Manufacturer KV310FP / KSWV310FP cut sheet available

Technical Specifications

Product Type 3-Piece Ball Valve
Body Material Stainless Steel
Body Design Three Piece
Port Style Full Port
Connection Type NPT Threaded
Stem Design Blow-Out Proof
Ball Feature Pressure Balance Hole in Ball Slot
Pressure Rating 1000 WOG
Operation Quarter Turn
Country of Origin China
Manufacturer Reference KV310FP / KSWV310FP

Three-Piece Valve Construction

A three-piece ball valve uses a center valve body section secured between two end connections. This construction provides a robust pressure-containing assembly while allowing the center section to be separated from the piping more easily for maintenance or service.

The three-piece design is commonly selected where valve serviceability is important and where removing the entire piping connection would be inconvenient.

The stainless steel construction provides corrosion resistance for compatible industrial, mechanical, and process piping applications.

Why Choose a 3-Piece Ball Valve?

Serviceable Body Design

  • Three-piece body construction
  • Center section can be separated from the end connections
  • Useful where future maintenance is expected
  • Can simplify valve service in installed piping
  • Suitable for compatible industrial applications

Full-Port Flow Path

  • Large internal flow opening
  • Helps minimize flow restriction
  • Helps reduce pressure drop
  • Useful where flow capacity is important
  • Full-port configuration throughout the valve

Full Port vs. Reduced Port Ball Valve

Full Port

  • Large internal flow passage
  • Designed to minimize restriction
  • Helps maintain system flow capacity
  • Typically produces less pressure drop
  • Used in this valve design

Reduced Port

  • Smaller internal opening than the connected piping
  • Introduces additional flow restriction
  • May provide a more compact valve body
  • Suitable where maximum flow is not required
  • Different internal geometry from this valve

Valve Components & Features

Blow-Out-Proof Stem

  • Designed to resist stem ejection under internal pressure
  • Supports safer valve operation
  • Integral part of the pressure-containing valve assembly
  • Provides dependable quarter-turn control
  • Suitable for compatible pressurized piping systems

Pressure Balance Hole

  • Pressure balance hole located in the ball slot
  • Part of the valve's internal ball configuration
  • Helps balance pressure within the applicable internal area
  • Manufacturer-specific design feature
  • Refer to the KV310FP / KSWV310FP cut sheet for detailed construction information

NPT Threaded Connections

This valve is identified as a full-port NPT threaded ball valve. NPT connections allow the valve to be installed directly into compatible threaded piping systems without welding.

Verify nominal valve size and thread compatibility before installation, and use an appropriate thread sealant for the intended media, pressure, and temperature.

1000 WOG Rating

The supplied product information identifies this valve as rated to 1000 WOG. WOG is commonly used to identify a valve pressure rating for compatible water, oil, and gas service.

Actual suitability depends on operating temperature, system media, pressure conditions, valve size, and manufacturer limitations. Review the KV310FP / KSWV310FP cut sheet before specifying the valve for a particular application.

3-Piece vs. 2-Piece Ball Valve

3-Piece Ball Valve

  • Body assembled from three primary sections
  • Center body section can be separated for service
  • Designed for easier maintenance
  • Useful in process and industrial piping
  • Full-port configuration on this valve

2-Piece Ball Valve

  • Body assembled from two primary sections
  • Provides durable threaded shutoff service
  • Generally less serviceable than a three-piece design
  • Common for general piping applications
  • Different body construction from this valve

Common Applications

Commercial & Mechanical Piping

  • Threaded piping systems
  • Equipment isolation
  • Utility piping
  • General shutoff service
  • Applications requiring full-port flow

Industrial & Process Service

  • Process piping isolation
  • Equipment connections
  • Maintenance shutoff points
  • Compatible water, oil, and gas applications
  • Applications where serviceability is important

Installation & Selection Guidance

  • Confirm the required nominal valve size before ordering.
  • Verify NPT thread compatibility with the mating piping.
  • Confirm that the full-port configuration is appropriate for the required flow characteristics.
  • Verify that the 1000 WOG rating is suitable for the intended system pressure.
  • Confirm media compatibility with the stainless steel valve construction and internal components.
  • Use an appropriate thread sealant for the system media, pressure, and temperature.
  • Apply thread sealant according to the sealant manufacturer's instructions.
  • Use the appropriate valve wrenching surfaces during installation.
  • Avoid excessive installation torque that could damage the valve body or piping.
  • When servicing the valve, follow manufacturer instructions for disassembly and reassembly of the three-piece body.
  • Confirm pressure and temperature requirements before installation.
  • Installation should comply with applicable piping codes and project requirements.

Product Documents

KV310FP & KSWV310FP Cut Sheet

Review the manufacturer cut sheet for additional specifications, construction details, dimensional information, pressure ratings, and product requirements for the KV310FP and KSWV310FP stainless steel full-port ball valves.

View KV310FP & KSWV310FP Cut Sheet

Need Help Selecting a 3-Piece Stainless Steel Ball Valve?

Our industrial PVF specialists can help review your valve size, NPT requirements, system media, pressure, flow requirements, and valve serviceability needs before you order.

Frequently Asked Questions

What is the pressure rating of this valve?

The supplied product information identifies this valve as rated to 1000 WOG.

What does full port mean?

A full-port ball valve has a large internal flow opening designed to help minimize restriction and pressure loss through the valve.

What type of connections does this valve use?

This valve uses NPT threaded connections.

What is the advantage of a three-piece ball valve?

A three-piece valve allows the center body section to be separated from the end connections, making the valve more serviceable than many one-piece or two-piece designs.

What is a blow-out-proof stem?

A blow-out-proof stem is designed to resist being forced out of the valve body by internal system pressure.

What is the pressure balance hole in the ball slot?

It is an internal valve design feature identified by the manufacturer. Refer to the KV310FP / KSWV310FP cut sheet for detailed construction information.

Is this valve stainless steel?

Yes. The supplied product information identifies this as a stainless steel ball valve.

Is this a three-piece valve?

Yes. The product is identified as a three-piece stainless steel ball valve.

Where is this valve manufactured?

The supplied product information identifies the country of origin as China.

Where can I find additional specifications?

Use the KV310FP & KSWV310FP Cut Sheet in the Product Documents section above.

Important Ordering Notes

  • Product is a 3-piece stainless steel full-port NPT ball valve.
  • 1000 WOG rating.
  • Full-port configuration.
  • NPT threaded connections.
  • Blow-out-proof stem.
  • Pressure balance hole in the ball slot.
  • Quarter-turn shutoff operation.
  • Serviceable three-piece body construction.
  • Country of origin: China.
  • Confirm nominal valve size before ordering.
  • Verify NPT thread compatibility with the mating piping.
  • Confirm pressure, temperature, media, and flow requirements before use.
  • Refer to the KV310FP / KSWV310FP manufacturer cut sheet for additional specifications and dimensions.
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