Pulp & Paper Valves
Industrial Valves for Pulp & Paper
Proven in Black Liquor, Bleach, and High-Temperature Recovery
Pulp and paper mills present some of the most demanding valve service conditions - black liquor (highly corrosive alkaline slurry), chlorine dioxide bleaching, recovery boiler, and tall oil service. Vajra supplies rubber-lined butterfly valves, knife gate valves, and diaphragm valves engineered for the aggressive media encountered throughout the pulp and paper process.
What valves does the Pulp & Paper industry use?
Pulp and paper mills present some of the most demanding valve service conditions - black liquor (highly corrosive alkaline slurry), chlorine dioxide bleaching, recovery boiler, and tall oil service.
Key Pulp & Paper Applications
We supply application-specific valve solutions for each segment of the pulp & paper industry.
Black Liquor & White Liquor
Rubber-lined butterfly valves and knife gate valves for black liquor, white liquor, and green liquor service in kraft pulp mills.
Bleach Plant (ClO2 & Cl2)
PVDF-lined or titanium butterfly valves and diaphragm valves for chlorine dioxide, chlorine, and bleaching chemicals.
Recovery Boiler & Tall Oil
High-temperature gate and globe valves for recovery boiler steam, tall oil, and turpentine service.
Recommended Valve Range for Pulp & Paper
Our most commonly supplied valve types for pulp & paper applications.
| Valve Type | Specification |
|---|---|
| Knife Gate Valve | Rubber-lined, resilient seat, slurry service |
| Wafer Butterfly Valve | EPDM/PVDF-lined, DN80–DN1200, chemical service |
| Straight-Through Diaphragm Valve | PTFE-lined, bleach/ClO2, full bore |
Applicable Standards & Certifications
- TAPPI
- ASME B16.34
- API 600
- ISO 9001:2015
Available Materials of Construction
- Rubber-lined cast iron
- SS316L
- PVDF-lined
- Hastelloy C-276
- Titanium Gr.2
Frequently Asked Questions - Pulp & Paper Valves
What valves are used for black liquor service in kraft mills?+
What material is used for chlorine dioxide (ClO2) service?+
Connected Engineering
Pulp & Paper Procurement & Specification
Typical Applications
Available Standards
Material Options
Documentation Available
- -EN 10204 3.1 Material Test Certificates (heat traceable)
- -API 598 hydrostatic shell & seat test reports
- -Dimensional inspection reports
- -Full Manufacturing Data Record (MDR) / data book on request
Inspection Options
- -In-house QC inspection on every order
- -Third-party inspection (SGS / Bureau Veritas / TÜV / DNV) coordination
- -Witness and hold points accommodated on request
Order Quantities
Flexible — from single critical-spare valves to full project lots.
Export
Worldwide export with complete documentation (COO, EUR.1, packing lists) to 20+ countries.
Custom Engineering
Built to your specification — materials, trim, pressure class and special service (NACE, fire-safe, IBR, cryogenic).
Delivery Support
Dispatch from Vadodara, Gujarat with documented lead times and priority handling for urgent requirements.
Need Pulp & Paper Valves? Get a Quote Today.
API 6D, ASME B16.34 certified. Full documentation. 24-hour quote response. Contact us at sales@vajravyuh.com or +91 9979774557
