
Check valves and gates NTKO series DN15-300 PN10-420 MPa or pressure classes according to ANSI 150-2500
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
Technical Specifications
Weight | 1.5...520 kg |
---|---|
Material | of carbon and corrosion-resistant steel of austenitic class - OM, cathe-ory 1, type of atmosphere III and IV at delivery in areas with sea climate. |
Climatic version | Climatic execution of valves according to GOST 15150: - UHL1 |
Joining | Connection to pipeline: - flanged; - threaded (internal thread); - butt welded; - overlap welded. |
Maximum pressure, MPa | 420 MPa |
Housing material | of carbon and corrosion resistant steels |
Work environment | Working environment: explosive, corrosive, flammable and other liquids. |
Operating temperature range | from +570 to -196 |
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

Interflange check valve LO2.xxx
View Details
Butterfly check valve DN 150
View Details
Check valves of "Granlok" trade mark, type ZOP , DN 40 mm , PN 16 bar
View Details
Check valve DN20 PN6,3 MPa
View Details
Double-leaf non-return valve, interflanged type 010C DN150
View Details
Check valve 720 series DN 10 - 25, PN ? 50MPa, Tp ? 570°C
View Details
Check valve KCA41 according to TU 3742-042-62603588-2016
View Details
Check valve KOS-200-1M4,0
View Details
Butterfly check valves with top cover PSKOS with nominal diameter DN 15...700 mm, nominal pressure PN 1,6...70 MPa
View Details
Check valve ATEK.494284.001
View Details
Check valve KO 1600 under welding
View Details
Butterfly check valves DN 50-150, PN 1,6-25,0 MPa
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