
Check valve 4c-3-1
Bulk pricing available
FOB, CIF & EXW terms available
Key Highlights
- Made in Russia - engineered for durability
- Suitable for challenging environments
- Lower cost of ownership than European alternatives
- Bulk orders available with volume discounts
- Documentation and customs clearance assistance provided
uncontrolled, automatically acting protective devices, serving to
prevent the reverse flow of the working medium in case of emergency. In working
state check valve under the influence of the flow of the working medium is open. When
in the absence of medium flow or in the event of flow in the opposite direction.
the valve is closed.
It is allowed to install the valves with the cover upwards, only on horizontal pipeline sections in places convenient for maintenance.
The valves may be installed with the cover upwards only on horizontal pipeline sections in places convenient for maintenance. Connection to
pipeline - under welding.
Gate tightness: according to class D of GOST 9544-2015.
Climatic design: U, T according to GOST 15150-69.
Placement category: 1, 2, 3 according to GOST 15150-69.
Manufacturing and delivery according to TU 3740-001-86921904-2013.
When ordering it is necessary to specify the name and designation of the product, climatic
execution and placement category according to GOST 15150-69.
Manufacturing and delivery according to TU 3740-001-86921904-2013.
Technical Specifications
Weight | Built-in memory card slot, support microSD/SDHC/SDXC card (up to 256GB); manual recording/alarm recording kg |
---|---|
Diameter | 80 mm |
Pressure | 10 MPa |
Temperature | 450 °C |
Note: All specifications are provided by the manufacturer and may be subject to change. Please contact us to confirm the latest specifications before placing your order.
Shipping & Payment Information
Shipping Terms
- FOB: Novorossiysk, Russia
- CIF: Available to major ports worldwide
- EXW: Manufacturer's facility, Russia
Delivery Time
- Sea freight: 30-60 days (depending on destination)
- Air freight: 14-21 days (for urgent orders)
- Production lead time: 30-90 days (depending on order size)
Payment Methods
- Letter of Credit (L/C)
- Wire Transfer (T/T)
- Escrow Services
Order Minimums
- We work with orders starting from 1 container
- You can mix different products in one container
- Volume discounts available for larger orders
Customs & Documentation Support
We provide comprehensive assistance with all export documentation, customs clearance, and logistics arrangements. Our team has extensive experience facilitating international trade with businesses in Africa, Middle East, Asia, and Latin America.
Contact Our Import Specialists
WhatsApp (Recommended)
For fastest response and immediate assistance with pricing, availability, and ordering.
+971 58 657 4796For detailed inquiries, documentation requests, and formal communications.
Send Email Inquiry info@tonzar.comRequest Call Back
Schedule a consultation with our import specialists at your convenience.
Business Hours
We're available to assist you during the following hours:
- Monday - Friday: 9:00 AM - 6:00 PM (GMT+4)
- Saturday: 10:00 AM - 2:00 PM (GMT+4)
- Sunday: Closed
Our WhatsApp support is available outside business hours for urgent inquiries.
Similar Products You May Be Interested In

Welded steel butterfly valve (valve) steel butterfly valve ZO
View Details
Check valve 843-40-0-0a-03
View Details
Shut-off valve
View Details
Check valves of C.OK series, type C.OKR
View Details
Steel check lift valves, type KKO
View Details
?????????? ????.304266.004
View Details
Fire protection equipment: Normally closed fire protection valves Sigmavent 120-NZ-AxV-SV according to specification
View Details
Check gate valve (AZ 440,AZ 450).
View Details
Check check valves PT41002
View Details
Check valves of ACE.OKO and ACE.OKP series with nominal sizes DN15 - 500 with nominal pressures PN16 - 420. ?? 3742-003-67960
View Details
Check valve AM521.25.63.3220
View Details
Check valves KO (DN 3...300 mm; PN 0,1...500 kgf/cm2)
View DetailsVerified Suppliers
All products are sourced directly from authorized Russian manufacturers
Quality Assurance
Products meet international quality standards with proper certification
Global Shipping
Reliable logistics solutions to deliver products to your location
Secure Payments
Multiple secure payment options to facilitate international transactions