
Reverse Osmosis Plastic Check Valve for Water Treatment Water Purifier System
Sizes for your option:
Straight Plastic Water Check Valve | ||
Part No. | Tube OD (A) | Tube OD (B) |
BF0331 | 1/4 | 1/4 |
BF0333 | 3/8 | 3/8 |
Suitable for :
1, Water and foods use:
our quick fitting are manufactured from safe, non-toxic materials meeting the requirements of the US FDA, WRAS, ANSI/NSF-51, 61, and SK Zert. Our products are widely used in water purification, food/beverage and pneumatic systems.
2, Function and quality:
we provide quick and convenient assembly-save time and expense. Our ISO9001, 14001 registered quality system ensures our customers a superior level of product quality. Defects are easily detectable and maintenance is easy with its easy dismantling for access.
3, Collet Design:
our unique oval collect design is superior and more practical, and is an improvement welcomed by our world-wide customers in all industrials.
4, Applications:
beyond water and food use, fittings can be used with air, gases, vacuum, and liquids. And all connections can be assembled and disassembled repeatedly. A broad of sizes covers a broad scope of applications.
5, Color:
White acetal copolymer
Material Standards:
Material Options | Fitting Color | O-ring |
Acetal | Grey, Black, White | NBR/EPDM |
Polypropylene | White | NBR/EPDM |
Brass | Brass, or chromed | NBR/EPDM |
Fitting Working Pressure and Temperature:
Small Size | Large Size | ||||||||||
5/32" | 3/16" | 1/4" | 5/16" | 3/8" | 1/2" | 5/8" | 7/8" | 28mm | |||
4mm | 5mm | 6mm | 8mm | 10mm | 12mm | 15mm | 16mm | 18mm | 22mm | 28mm | |
1℃ 34℉ | 16bar 230psi | 11bar 170psi | 11bar 170psi | ||||||||
20℃ 68℉ | 16bar 230psi | 11bar 170psi | 11bar 170psi | ||||||||
65℃ 150℉ | 10bar 150psi | 7bar 100psi | 7bar 100psi |
Outer Diameter Tolerance Limit of Tubing Used with Fittings:
Size | Tolerance | |
small size | 5/32", 4mm | +-0.004" (+-0.1mm) |
small size | 3/16", 5mm | +-0.004" (+-0.1mm) |
small size | 1/4", 6mm | +-0.004" (+-0.1mm) |
small size | 5/16", 8mm | +-0.004" (+-0.1mm) |
small size | 3/8", 10mm | +-0.004" (+-0.1mm) |
small size | 1/2", 12mm | +-0.004" (+-0.1mm) |
large size | 5/8", 15(16)mm | +-0.004" (+-0.1mm) |
large size | 7/8", 18(22)mm | +-0.004" (+-0.1mm) |
large size | 28mm | +-0.004" (+-0.1mm) |
Maximum Permissible Torque:
1/8", 1/4" | 3/8", 1/2" | 3/4" | |||||
Plastic | Maximum Torque | Nm | 1.5 | 3.0 | 4.0 | ||
Steel | Maximum Torque | Nm | 7.0-9.0 | 12.0-14.0 | 22.0-24.0 | 28.0-30.0 | 40.0 |
We aslo have many types quick fitting, push-in tube fitting, weclome your any question, we will response at once
Ningbo Brando Hardware Co., Ltd
![]() | * Foucus on your demand, Offer you best solutions as the first mission of Ningbo Brando Hardware Co., Ltd, we work on designing and manufacturing solenoid coils, solenoid armatures and solenoid valves for more than 15 years.
* We have served customers from Europe, North America, Middle east, Southeast Asian by designing and manufacturing for their automation fluid control applications, related to industries of pneumatic automation equipment, food beverage dispenser, agricultural irrigation, printing and dyeing, dust collector, home appliance, automobile, textile, refrigeration, etc. |
* Since the company's inception, we are dedicated to providing high quality products and service to our customers. With focusing on our customers' demands, at before production we discuss technical points according to applications with customers to reduce mistake and save cost for both sides. During production, we use high precision CNC machine, machining center to control dimensions and improve productivity. At beginning and mid of machining, our senior inspectors check quality regularly by recording data on documents as per ISO9001 management system. Before shipment, our staff make testing and complete inspection one piece by one piece to ensure the products without defect when reached our customer's hands.
* Ningbo Brando Hardware Co., Ltd will offer you best service with fast response, let's make the fluid control application more widely and smartly.
Product Categories:
1. Solenoid Valve
2. Solenoid Coil
3. Solenoid Armature
4. Solenoid Coil Connector
5. Solenoid Valve Timer
6. Pulse Valve
7. Valve Diaphragm
8. Pulse Controller
9. Refrigeration Valve
10. Pneumatic Valve
11. Pneumatic Fitting
12. Pneumatic Cylinder
13. Pneumatic Filter Regulator Lubricator
14. Pneumatic Vibrator
15. Ball Valve
16. Butterfly Valve
15. and so on