WE ARE PROFESSIONAL CHECK VALVE MANUFACTURER!

Diaphragm Valve

①100% Product Inspection
②Opening Pressure ≤1Kpa
③No backflow on 2Kpa

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Best Valve supplier That You Can Trust

1、Over hundreds of types for selection of Valve!

2、Bio-compatible, Food Grade, Rohs, Reach, Pahs Certifications for Material. Material Selection of Chemical,Oil,Medicine,Acid,Alkaline,Ozone, Gas Resistent. Air & Liquid flow test data. Aging, lifetime, chemical resistent test data by JTSEIKO’s Lab.

3、With designers, engineers, mould workshop to provide OEM & ODM service.

4、100% Production Inspection, 0 complains with millions of valve using. 

TESTING

Opening pressure

Reverse 2kPa

Reverse 100kPa test

Air flow test

CJT017 Air Flow Trend Chart L/min

Product introduction and features

Material: ABS+SIL or sellection as request.

No backflow on 2Kpa and 100Kpa.

Model

picture

specification

size

CJT224
(CJT017)

1/4”
ID:3.4mm
OD:6.1mm
BARB:7.8mm

CJT222
(CJT028)

1/8”
ID:1.9mm
OD:3.3mm
BARB:4.5mm

CJT221
(CJT030)

5/16”
ID:6.5mm
OD:7.7mm
BARB:9.5mm

CJT215
(CJT031)

3/8”
ID:6.4mm
OD:7.8mm
BARB:11.9mm

CJT032

7/16”
ID:6.4mm
OD:11.5mm
BARB:15.5mm

CJT056

3/16”
ID:3.1mm
OD:4.5mm
BARB:6.0mm

CJT072

Diameter: 13.4mm
Height: 20.86mm

CJT107

ID:3.4mm
OD:5..0mm
BARB:5.5mm

Note:OEM & ODM services provided.

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Why Choose Us

OEM & ODM project

Our service includes design, research & innovation, mould process, lab test, mass production and quality control etc.

Product Design

1, Professional designer for ODM work with 20 years' experience.
2, Review with customers together to meet market's request.

Mould & Product Process

1, CNC, Sodick EMD Machine, CMM of Serein to gurantee mould size.
2, Mould review with customer's engineer together to make sure details.

Labratory & Quality Control

1, Quality control by ISO9001 standards with first article inspection, patrol inspection every 2 hours, OQC, IQC, PPAP standards etc.
2, Lab test includes air/water flow, aging, chemical/UV/high & low tempreture resistent, vibration, tensile, etc.

Mass Production

1, 100% test for every product.
2, Automatic assembling and testing is widely used.

plastic materials Selection

Item

Rubber Material Specification

Nylon66(PA66)

1.Tempreture durance from -40℃ to 120℃.
2.Good chemical & weather resistant.
3.Weakness:Absorb water .

ABS

1.Tempreture durance from -40℃ to 80℃.
2.Excellent dimensional stability.
3.Weakness: chemical & weather resistant.

PP

1.Tempreture durance from 0℃ to 80℃.
2.Good chemical resistant.
3.Weakness: poor weather resistant and low tempreture.

PVDF

1.Tempreture durance from -40℃ to 150℃.
2.Excellent chemical resistant.
3.Weakness: expensive.

Note: Contact our engineer to learn more about materials’ info, such as PVC, PE, PC, PMMA,POM, TPU etc.

rubber materials Selection

Item

Rubber Material Specification

Silicone

1. Tempreture Endurance: -50°C to 200°C.
2. Non toxic and environmentally friendly.
3. Low mechanical strength and chemicals.

FKM

1. Temperature Endurance: 200°C.
2. Chemicals resistant: compatible to most of media such as oil , acid with well performance.
3. Poor on Low temperature: under -0°C cause disfunctiona.

FVMQ

1. Temperature Endurance: -30°C to 150°C.
2. Chemicals resistant: compatible to most of media such as oil , acid with well performance.
3. Poor on mechnical performance.

NBR

1. Temperature Endurance: -10°C to 100°C.
2. Chemicals resistant: compatible to most of media such as oil , acid.
3. Poor on Low temperature: under -0°C cause disfunctional.
4. Economic Price.

EPDM

1. Temperature Endurance: -10°C to 120°C.
2. Chemicals resistant: Ozone resistance, ultraviolet resistance, weather resistance and aging resistance etc.
3. Poor on mechanical performance.

Note: Contact our engineer to learn more about materials’ info, such as NR, CR, ACM, etc.

Plant environment

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Contact Information

+86 183 5916 3977
70# Rujiang Road, Mawei District, Fuzhou, China

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