
Diaphragm Valves Supplier in Kathmandu
Kathmandu is Nepal's procurement hub for the country's rapidly expanding hydropower sector — NEA, Butwal Power Company, and private developers are building 5,000+ MW of run-of-river hydroelectric projects (Upper Tamakoshi 456 MW, Trishuli, Kali Gandaki) requiring bronze and stainless penstock isolating butterfly valves, pressure relief valves, and API 6D ball valves for penstock and powerhouse service; Melamchi Water Supply Project's 26 km headrace tunnel and Kathmandu Valley distribution network use large-bore butterfly valves and gate valves; Vajra Industrial Solutions supplies Nepal's hydropower and water supply sector with ASME B16.34 butterfly and ball valves, with 5–7 day delivery via Raxaul or Birgunj border crossing.
Diaphragm valves are the standard for Kathmandu's Water Supply & Sanitation applications. We supply sanitary SS316L diaphragm valves with EPDM, PTFE, and natural rubber diaphragms for Bagmati Province clients.
API 6D Certified
Ball, Gate, Globe, Check
ASME B16.34
Pressure-Temperature Rated
ISO 9001:2015
Quality Management
Fast Delivery
to Kathmandu
Diaphragm Valves — Available in Kathmandu
All diaphragm valves below are available for delivery to Kathmandu, Bagmati Province. Each type is available in multiple materials, pressure classes, and end connection standards. We export to Kathmandu via sea freight and air freight with full export documentation including MSDS, packing list, CoO, and compliance certificates. Typical lead time is 7–14 business days from dispatch.

Weir Type Diaphragm Valve
Raised weir design for precise flow control and tight shut-off in chemical applications.
Pressure Rating: PN10 / PN16
Standards: BS 5156, ISO 5208

Straight-Through Diaphragm Valve
Full-bore design for slurry and viscous media with minimal flow restriction.
Pressure Rating: PN6 / PN10
Standards: BS 5156
Delivery of Diaphragm Valves to Kathmandu
We export to Kathmandu via sea freight and air freight with full export documentation including MSDS, packing list, CoO, and compliance certificates. Typical lead time is 7–14 business days from dispatch.
Stock Items
Same/next day dispatch from Vadodara
Custom Orders
2–6 weeks depending on specification
Emergency Supply
Priority handling for plant shutdowns
We also supply to nearby areas: Nepal Electricity Authority (NEA) hydropower projects, Hetauda Cement Industry, Butwal Power Company Upper Trishuli projects, Melamchi Water Supply Project infrastructure, Upper Tamakoshi Hydropower Project (456 MW).
Frequently Asked Questions
Diaphragm Valves supply in Kathmandu — ordering, delivery & compliance
Do you supply diaphragm valves in Kathmandu?+
Yes. Vajra Industrial Solutions is a leading supplier of diaphragm valves in Kathmandu, Bagmati Province. We supply to Hydropower Generation, Water Supply & Sanitation, Cement Manufacturing plants and projects across Bagmati Province. Kathmandu is Nepal's procurement hub for the country's rapidly expanding hydropower sector — NEA, Butwal Power Company, and private developers are building 5,000+ MW of run-of-river hydroelectric projects (Upper Tamakoshi 456 MW, Trishuli, Kali Gandaki) requiring bronze and stainless penstock isolating butterfly valves, pressure relief valves, and API 6D ball valves for penstock and powerhouse service; Melamchi Water Supply Project's 26 km headrace tunnel and Kathmandu Valley distribution network use large-bore butterfly valves and gate valves; Vajra Industrial Solutions supplies Nepal's hydropower and water supply sector with ASME B16.34 butterfly and ball valves, with 5–7 day delivery via Raxaul or Birgunj border crossing.
What types of diaphragm valves are available in Kathmandu?+
We supply Weir Type Diaphragm Valve, Straight-Through Diaphragm Valve — all available for delivery to Kathmandu. Each type is available in multiple materials (CS, SS304, SS316, Duplex, Alloy Steel) and pressure classes from PN10 to Class 2500.
What certifications do your diaphragm valves carry?+
All our diaphragm valves comply with API 6D, ASME B16.34, ISO 9001:2015, and relevant standards. We provide full documentation including material test reports, hydrostatic test certificates, and dimensional inspection reports. Key standards: BS 5156, ISO 5208.
How fast can you deliver diaphragm valves to Kathmandu?+
We export to Kathmandu via sea freight and air freight with full export documentation including MSDS, packing list, CoO, and compliance certificates. Typical lead time is 7–14 business days from dispatch.
What is the minimum order quantity for diaphragm valves to Kathmandu?+
There is no minimum order quantity. We supply single valves for maintenance requirements as well as bulk orders for large EPC and plant projects in Kathmandu. Emergency orders for plant shutdowns are handled on priority.
How do I get a quote for diaphragm valves in Kathmandu?+
Submit your specifications via our RFQ form, email sales@vajravyuh.com, or WhatsApp +91-9979774557. Please include: valve type, size (NPS/DN), pressure class (ANSI/PN), material, end connections, and quantity. We respond within 24 hours with competitive pricing.
Need Diaphragm Valves in Kathmandu?
Share your specifications and get a competitive quote within 24 hours. We supply to Hydropower Generation and all industrial sectors in Bagmati Province.