
Check valves KO (DN 3...300 mm; PN 0,1...500 kgf/cm2)
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
The valves are designed for use in explosive gas environments in premises and outdoor installations, except for underground workings of mines, mines and their above-ground structures according to GOST 31441.1.
Valves belong to non-electrical equipment.
Valves are installed in pneumatic and hydraulic systems in closed rooms, under a canopy, on open areas. Climatic versions of valves according to GOST 15150 are U, XL, UHL, OM and TV.
It is allowed to set other climatic version by agreement with the customer.
Valves are designed for normal operation mode, in which the equipment fulfils its specified function within the design parameters.
Technical Specifications
Weight | 10 kg |
---|---|
Material | 12X18H10T steel |
Climatic version | UHL1 |
Joining | Flanged |
Maximum pressure, MPa | 2.5 MPa |
Housing material | 12X18H10T steel |
Connection type | Flanged |
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

Check valves of C.OK series, type C.OKR
View Details
Check valve AM521.25.63.3220
View Details
Check valves series C.OK, type C.OKOF
View Details
Check gate valve (AZ 440,AZ 450).
View Details
Check valve (AZ 440,AZ 450)
View Details
?????????? ????.304266.005
View Details
Check valve PT41013
View Details
Butterfly valve (valve) steel flanged butterfly valve KO
View Details
Shut-off valves KZ
View Details
Check gates PT44151
View Details
Fire protection equipment: Normally open fire dampers Sigmavent-60-NO-AxV-SV in accordance with specification.
View Details
Welded steel butterfly valve (valve) steel butterfly valve ZO
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