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china manufacturing JKTL carbon steel forged ball valve trim

  • china manufacturing JKTL carbon steel forged ball valve trim
  • china manufacturing JKTL carbon steel forged ball valve trim
  • china manufacturing JKTL carbon steel forged ball valve trim
  • china manufacturing JKTL carbon steel forged ball valve trim

china manufacturing JKTL carbon steel forged ball valve trim

    Packaging: Generally our products are packed by cartons or plywood case as per exporting standard. It has good cushioning performance, high strength and corrosion resistance. If you have some special requirements, please let me know.
    Brand: JKTL
    Place of Origin: Hebei, China (Mainland)

Basic Info

Model No.: Ball Valve

Product Description

china manufacturing JKTL carbon steel forged ball valve trim


Product Parameter


Number Parts Material
1 Valve Body Steel .DIN St/37.0/37.8
2 Axis Guide Steel .DIN St/37.0/37.8
3 Valve Ball Stainless Steel AISI304
4 Stem Stainless Steel AISI304
5 Ball Valve Seal Carbon reinforced PTFE
6 Body Extension Tube Steel .DIN St/37.0/37.8
7 Handle Galvanized Steel
8 O-ring/Stem Seal FPM
9 Gasket PTEF


JKTL fully welded ball valve conform to one or more of the following specifications for pressure,

temperating ratings and dimensions: ASME/ANSI, ISO 14313/API6D, ISO 10423/API6A,

ISO 14723/API 6DSS, DIN, AFNOR, British standards, ISO 9000 and API Q1.  


Pressure range ASME/ANSI Class 150 to 2500
Temperature range -20°F to 250°F (-29°C TO 121°C)
Body ASTM A350 Gr. LF-2(M)
End connection ASTM A350 Gr. LF-2(M)
Ball ASTM A694 Gr.F50(M) Chrome plated or ENP
Seat ring AISI 1040
Seat load spring AISI 1040
Stem seals PTFE
Seat ring insert Nylon


Materials used in ball valve construction are equivalent at all JKTL manufacturing plants. However,

the availability of local supplies, the need to conform to national standards and to offer various trims may

necessitate some variation. In corrosive applications, valve trims may be offered using various types of

alloy and stainless steel. For more information on material specifications and properties, contact us directly.


The torque stated are for guidance only, they have been obtained by measuring on new ball valve. The

torque is to be understood as the pull-off torque applicable for a closed, but recently activated ball valve.

The valves stated may rise to a factor of 1.5 after a long period of not being in service.

Ball valve in fully open position.

Medium: water.

Density in 1000kg/m3



DN 10 15 20 25 32 40 50 65 80 100 125
Kv 7 6 14 26 43 64 100 160 280 450 690
A×10-4 0.79 0.79 1.77 3.14 4.9 8.04 12.56 19.63 33.18 50.27 78.54
z 0.32 0.44 0.41 0.37 0.33 0.4 0.4 0.39 0.36 0.32 0.33

Sign explanation

Kv: m3 water per hour at pressure drop 1bar.

c: Flowrate of the media in m/sec.

V: Actual flow volume.

A: The area of flow in m2 of the ball valve in question.

z: Coeffcient of resistance.

g: Density in kg/m3


DN15-DN150 Galvanized Steel
DN200-DN250 Spraying carbon steel
DN250-DN1400 No handle, using the handwheel
We recommend DN300-DN1400 manual gearbox operation.
Running Condition:
temperature -30°C-+200°C(less than 0°C, contact us)


Fire-Tested for Safety

JKTL fully welded ball valves can be supplied to API6FA, API607 and ISO 10497 standards. If industry

standards change or customer requirements vary from the above, please contact your sales representative.


Trunnion Mounted Ball Allows Low-Torque Operation

Regardless of size or pressure rating, every JKTL fully welded ball valve is trunnion mounted.

High-strength forged stems are located in PTFE impregnated stainless steel bearings for smooth,

accurate operations. Trunnion mounted stems absorb the thrust from line pressure, preventing excess

friction between the ball and seats, so even at full rated working pressure, operating torque stays low.


Test Valve Integrity

When the valve body is vented, the seat seals integrity is verified. This test can be performed with

the valve open or closed. Valve performance can also be validated by verifying valve seat seal integrity.


Features and Benefits

Upsteam Sealing

At low pressure, seat-to-ball contact is maintained by Belleville Springs. At higher pressures, seat contact

is reinforced by line pressure.

Product Description

Product Advantage


Production Process

Product Use

Contact Us

Wuzhong Instrument Co., Ltd.

 Wuzhong Instrument Co. Ltd. is the foremost valve and controls manufacturing company in the China. Our broad offering of flow control products includes control valves, ball valves, segmented ball valve, double and triple eccentric butterfly valves, and special valves.

Company Info

  • Company Name: Wuzhong Instrument Co., Ltd.
  • Product/Service: Control Valve , Butterfly Valve , Ball Valve , Special Valve , Rotary Eccentric Valve , Valve Accessories
  • Contact Person: Mr. Ma
  • Tel: 86-953-2239025
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