20A-08B Ball Valve, Check Valve (High Pressure)
Product Features
1. Hardened seat for long life and low leakage.
2. Optional bias springs for back-pressure application flexibility.
3. Fully guided check assembly.
4. Miniature size.
5. Fast closing and seating.
Product Specifications
| Product Model | 20A-08B BALL VALVE, CHECK VALVE(High Pressure) |
| Operating Pressure | 420 bar (6100 psi) |
| Flow | See Performance Chart |
| Internal Leakage | 0.10 ml/min. (2 drops/minute) max. at 420 bar (6100 psi) |
| Crack Pressure Defined | Gauge bar (psi) evident at ① at 16.4 ml/min. (1 cu. in./minute) attained |
| Standard Bias Springs at Crack | 0.5 bar (7 psi);1.5 bar (22 psi);2 bar (29 psi);4.5 bar (65 psi);6 bar (87 psi) |
| Temperature | -40°℃～100°C |
| Fluids |
Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 ssu). |
| Installation |
No restrictions |
| Cartridge | Weight: 0.05 kg. (0.12 lbs.); Steel with hardened work surfaces.Zinc-plated exposed surfaces. |
| Seal | D type seal rings. |
| Standard Ported Body | Weight: 0.16 kg. (0.35 lbs.); Anodized highstrength 6061 T6 aluminum alloy, rated to 240 bar (3500 psi). |
Ductile iron and steel bodies available; dimensions may differ. Consult Flag.
Product Operation Symbol
The 20A-04B allow flow passage from ① to ②, while normally blocking oil flow in the opposite direction. The cartridge has a fully guided check which is spring-biased closed until sufficient pressure is applied at ① to open ②.
Performance/Dimension
WHY CHOOSE US
How we work
Development (tell us your machine model or design)
Quotation (we will provide you with a quotation as soon as possible)
Samples (samples will be sent to you for quality inspection)
Order (placed after confirming quantity and delivery time, etc.)
Design (for your product)
Production (producing goods according to customer requirements)
QC (Our QC team will inspect the products and provide QC reports)
Loading (loading ready-made inventory into customer containers)
Our Certificate
Quality Control
To ensure the quality of factory products,we introduce advanced cleaning and component testing instruments, 100% of the assembled products pass factory testing and the test data of each product is saved on a computer server.
R&D team
Our R&D team consists of 10-20 people, most of whom have about 10 years of work experience.
Our R&D center has a sound R&D process，including customer survey, competitor research, and market development management system.
We have mature R&D equipment including design calculations, host system simulation, hydraulic system simulation, on-site debugging, product testing center, and structural finite element analysis.
