PRODUCT FEATURES

3Pc Threaded Ball Valve — Product Features

“A three-piece, threaded manual ball valve that can be disassembled into three parts, offering threaded connection options, a variety of material choices, and PTFE seals. Please refer to the enclosed technical specifications for details.

Three-piece threaded valve body

A threaded ball valve designed specifically for manual on/off operation in piping systems.

Manual Ball Valve Operation

Turning the handle rotates the valve stem and ball together, thereby opening or closing the flow path.

Threaded Connections

Available in BSPT, BSPP, and NPT thread types; please confirm the required sizes and specifications.

Material and Seat Options

The parts list includes WCB / CF8 / CF8M / 2205 valve body materials and PTFE seat components.

OPERATING PRINCIPLE

How 3Pc Threaded Ball Valve Works

“A gentle turn is all it takes to control fluid flow. Turning the handle causes the valve stem and the ball to rotate in unison.

  1. 1. Turn the handle

    The manual handle transmits rotational motion to the valve stem.

  2. 2. Rotate the ball

    The valve stem drives the ball, thereby changing the direction of the flow path.

  3. 3. Open or close

    When the ball’s orifice aligns with the flow path, fluid flows through; when the ball is rotated to block the flow path, the valve closes.”

ENGINEERING DATA

Technical Specifications

Technical data supplied for 3PC Threaded BALL VALVE. Ratings and material combinations should be confirmed for the selected configuration.

PARAMETER SPECIFICATION
“Product Type Manual Three-Piece Threaded Ball Valve
Size Range 1/2“–4” (DN15–DN100)
Thread Specifications BSPT / BSPP / NPT
Body Material WCB/CF8 / CF8M/2205
Working Pressure 1.6/2.5 MPa
Working Temperature 0°C to 120°C
Design and Manufacture ASME B16.34
Inspection and Testing API 598
Body/Shell Test Pressure 1.6 MPa
Seat Seal Test Pressure 1.6 MPa
Air Tightness Test Pressure 1.2 MPa”

MECHANICAL DIMENSIONS

Dimensions & drawings.

Compare connection size with the corresponding overall length, bore and handle clearance dimensions from the supplied drawing.

3PC Threaded  BALL VALVE dimension drawing
3PC Threaded BALL VALVE — supplied technical drawing.

Dimension chart

SIZE DN L H d S P W
1/2 DN15 62 52 15 5 6 106
3/4 DN20 72 60 20 5 6 111
1 DN25 80 69 25 6 8 126
1-1/4 DN32 92 77 32 7 11 147
1-1/2 DN40 102 91 38 9 12 161
2 DN50 125 99 48 9 12 169
Size range check

Refer to the supplied dimension chart.

COMPONENT BREAKDOWN

Parts & Materials

Component names and materials from the supplied product parts list.

NO. PART MATERIAL
01 Body CF8 / CF8M
02 Bonnet CF8 / CF8M
03 Ball CF8 / CF8M
04 Seat SS304 / SS316
05 Bolt SS201/SS304/SS316L
06 Spring Washer SS304 / SS316L
07 Stem SS304 / SS316L
08 Nut SS304
09 Stem Washer PTFE
10 Packing PTFE
11 Gland SS316L / SS304
12 Disc Spring SS304 / SS316L
13 Nut SS201/SS304/SS316L
14 Crown Washer SS304
15 Screw SS304
16 Handle SS+PVC
17 Hex Socket Bolt SS201/SS304/SS316L
18 Nut SS201/SS304/SS316L

APPLICATIONS

Applications

Applicable media: the supplied document lists the following fluids. Actual compatibility depends on selected materials, concentration, temperature, pressure and the specific service conditions.

3PC Threaded  BALL VALVE application illustration
APPLICATION

Application – Water Circulation

Cooling water, circulating water, drinking water and neutral purified water.

3PC Threaded  BALL VALVE application illustration
APPLICATION

Application – Steam Piping

Clean, low-temperature saturated steam, subject to the product’s confirmed temperature and pressure limits.

3PC Threaded  BALL VALVE application illustration
APPLICATION

Application – Compressed Air

Compressed air and nitrogen; verify compatibility for each system.

PURCHASING SUPPORT

Frequently Asked Questions

Find answers to common questions about sizing, materials, threaded connections and operating conditions.

What is a 3PC ball valve?

3PC ball valve consists of three body pieces: left body, right body and central body. It can be repaired inline without removing the whole valve from pipeline. Widely used for medium & high pressure piping system.

What is the main difference between 3PC ball valve and 2PC /1PC ball valve?

1PC: One piece body, reduced port, low cost, low pressure, cannot disassemble.
2PC: Two pieces body, full port, general use, need to remove whole valve for maintenance.
3PC: Three pieces body, full port, robust structure, inline maintenance, higher pressure, longer service life.

Pressure rating?

1000WOG (PN16), working pressure up to 16bar at room temperature.1000WOG (PN16)

Working temperature range?

PTFE seat: 0℃ ~ 120℃. If over 120℃, we can offer other seat material.

What media can it handle?

Water, compressed air, natural gas, oil, weak acid & alkali. Not for strong corrosive medium.

Is it full port or reduced port?

Standard 2PC ball valve is full port, low flow resistance.

Can it be used for steam?

For saturated steam, please advise temperature and pressure. PTFE seat is limited for high temp steam.

Do you do 100% pressure test?

Yes. Every valve will pass air leakage test before packing.

MOQ?

Small MOQ available. Mixed sizes in one order acceptable.

Packing method?

Each valve in plastic bag, then small box, carton outside. Wooden pallet optional.

Installation tips?

Do not over-tighten the male thread when connecting. Use thread seal tape properly. Avoid heavy impact on valve body.

Can I put my own logo /custom label?

Yes, OEM & ODM available. Logo on handle or body.

Is it bidirectional sealing?

Yes, floating ball design, bidirectional sealing.

Maintenance tips?

When disassembling, please release pipeline pressure first. Do not disassemble the valve under pressure.

Tips for installation?

Do not over-tighten the male thread when connecting. Use thread seal tape properly. Avoid heavy impact on valve body.

Can the valve be installed vertically or horizontally?

Both horizontal and vertical installation are okay. Handle can be adjusted position.

What’s the warranty?

12 months warranty against manufacturing defect. Not cover damage from wrong operation.

How to prevent leakage?

Do not over-tighten thread when installation; avoid impact. Regular inspection for long time service.

“What sizes are available?

The general product specifications list sizes from 1/2” to 2” (DN15–DN50). The accompanying size chart currently covers DN15–DN50; please verify the specific dimensions for the size you require.

What materials can I choose from?

The original bill of materials includes 201, CF8, and CF8M valve body options, as well as a variety of ball and internal component materials. Specific configuration combinations should be confirmed prior to ordering.

Are BSPT, BSPP, and NPT connections available?

Standard stock consists of BSPT; however, the original specifications list BSPT, BSPP, and NPT threads. Please provide the thread standard and nominal size when requesting a quote so that availability can be confirmed.

What are the temperature and pressure limits?

The accompanying general data indicates an operating pressure of 1.6 MPa and an operating temperature range of 0°C to 120°C. Suitability of this product for specific fluids and temperatures must be confirmed separately.

Can this valve be used for throttling?

The accompanying operating instructions recommend against leaving the valve in a partially open position for extended periods, as high-velocity fluid may erode the PTFE seat.

What is the lead time for orders?

We maintain a stock of 5,000 BSPT valves for standard orders; other thread types require customization, with a production capacity of 50,000 units within 15 days.

What is the product quality like? Is there a warranty period?

Every valve undergoes rigorous quality inspection, including testing of the material, threads, seals, and valve body, and is backed by a one-year warranty within the normal operating range of the medium.”””

3PC Threaded BALL VALVE

“The 3PC Threaded Ball Valve is a manually operated ball valve designed to provide reliable flow control and shutoff in industrial piping systems. Manufactured from CF8/CF8M stainless steel, this product is available with a variety of threaded connection options.

Model: 3PC Threaded Ball Valve

Material: CF8 / CF8M Stainless Steel

Nominal Diameter: 1/2“–4” (DN15–DN100)

Rated Pressure: 1.6/2.5 MPa (PN16/PN25)

Connection Type: Threaded Connection (BSPT / BSPP / NPT)“”

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