Diaphragm Valve
①100% Product Inspection
②Opening Pressure ≤1Kpa
③No backflow on 2Kpa
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.
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.
Product Solution List
number
Product Type
Advantage
03
Particles can pass through,Self-cleaning, installation easy,anti-backflow,Hundreds of plans to choose from.Often used for drainage, air refill.
04
Particles can pass through,Self-cleaning, installation easy, anti-backflow, Hundreds of plans to choose from.Often used for drainage, air refill.
07
The interface size can be freely selected and matched ( 1/8”,3/16”,1/4” ).The "in" and "out" directions can be optionally converted; Cracking Pressure Customized.
09
Cracking Pressure: 0-3kPa, Customized cracking pressure tolerance ±3kPa, high performance of vacuum sealing.
12
Quick connection, pressure resistance of 2mPa, effective pressure reduction, preventing backflow and siphoning, customized opening pressure, and protecting the safe use of equipment.
13
1、No leakage by reverse 300kPa without puncture 2、No leakage by reverse 38kPa after puncture 3、Smooth passage of instrumentssuch as sheaths and guide wires
14
1、Transmittance≤15% 2、No Decolorization 3、Cracking pressure ≤2kPa, no leakage in reverse 2kPa & 200kPa. Customized cracking pressure
18
Straight/Y/T/L shape connector；medical grade PP material, 100,000 grade clean-room production.
TESTING
Opening pressure
Reverse 2kPa
Reverse 100kPa test
Air flow test
CJT017 Air Flow Trend Chart L/min
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
