Internal Check
Fittings
Overview
Internal check fitting is a spring-biased single-ball check. It is generally used with a grease fitting to form a double seal structure.
Features
- Maximum working pressure: 10,000 psig (690 bar)
- Applicable in both high and low-temperature environments
- Accepts button head grease fitting coupler
Component
No. | Component | Carbon Steel | SS 316 |
|---|---|---|---|
1 | Body | CS (Zinc) | SS 316/A479 |
2 | Soft Seat | PTFF | PTFE |
3 | Ball | 316/A276 | Tungsten Carbide |
4 | Spring | X-750/AMS 5699 | X-750/AMS 5699 |
5 | Retainer | SS 316/A479 | SS 316/A479 |
Technich Data
Considerations When Buying Internal Check Fittings
End connections:
1/8″ NPT, 1/4″ NPT, 3/8″ NPT, 1/2″ NPT
Max Operating Pressure:
10,000 psig (690 bar)
Plating Type:
Zinc | N/A
Ball Material:
316L Stainless Steel
Tungsten Carbide
Consult factory for additional materials
Body Material:
A105 LF2
304 Stainless Steel 316L Stainless Steel
Alloy 400 Alloy 625 Alloy C-276
Duplex 2205 Duplex 2207
Consult factory for additional materials
Spring Material:
Inconel X-750
Consult factory for additional materials
NOTES: other products or different fittings designs are available on request; all measures are in millimeters.
FREQUENTLY ASKED QUESTIONS
Single floating ball check and double floating double ball check straight design styles of Internal Check Fittings are also available.
Benefit From Your Committed Valves and Fittings Manufacturer
Free Fittings Sample
Walter offers you a free fitting sample for testing and to confirm that we met your custom design requirements.
Wholesale Fitting Price
Our high-quality fittings are available at wholesale rates which saves you money and reduces your costs of production.
Low Minimum Order Quantity
All our clients are important to us and thus our MOQ is 10 pieces to accommodate large and small orders.
High Bottle Quality
We are meticulous with our quality checks and manufacturing standards. Our goal is to offer you the best glass bottles.
Worry-free Aftersale Services
The Walter team is always on hand to guide you through aftersale procedures such as warehousing, shipment, and just-in-time delivery.
