Varem Bladder Tank Supplier Philippines: ISO 9001 Pressure Tanks

A Varem bladder tank is a hydropneumatic pressure tank that uses a rubber bladder to separate air from water, cutting pump cycling in booster and building water systems. JOHOB Hardware Trading supplies Varem-equivalent bladder tanks nationwide across NCR, Luzon, Visayas, Mindanao, and PEZA, SBMA, and Clark locators, backed by ISO 9001 and TUV SUD-tested partner-factory sourcing, with RFQs answered within 1 business day.

A Varem bladder tank, also called a hydropneumatic or diaphragm pressure tank, holds a fixed volume of compressed air inside a rubber bladder that separates it from the water in the line. As a booster pump runs, water enters the tank and compresses the air inside the bladder. That stored pressure lets the system deliver water between pump cycles instead of switching the pump on and off with every tap opened, which is what causes premature motor wear and pressure hammer in commercial and institutional buildings.

In a typical PH commercial booster setup, the bladder tank sits downstream of the pump and upstream of the distribution line, sized against the pump's flow rate and the building's peak demand. Undersized tanks cause the pump to short-cycle; oversized tanks add unnecessary footprint and cost without improving performance. Getting the sizing right is the difference between a system that runs quietly for years and one that burns through pump motors within months.

JOHOB supplies Varem-equivalent bladder tanks as part of complete booster packages, alongside the pumps, VFD panels, and piping needed to commission a working system, not just the tank in isolation. This matters for procurement teams sourcing for hotels, hospitals, commercial buildings, and industrial facilities, where a single point of contact for the full pressure system reduces coordination risk between separate suppliers.

JOHOB Hardware Trading is not an authorized Varem distributor. The bladder tanks supplied under this listing are functional equivalents, sourced from a vetted overseas manufacturer with an ISO 9001-certified quality management system, built to the same hydropneumatic principle as branded Varem tanks: a replaceable rubber bladder inside a steel vessel, rated for booster and pressure-boosting duty.

This distinction matters for procurement documentation. Buyers who specifically require branded Varem equipment for contract compliance or an existing installed base should confirm that requirement before ordering, since JOHOB's supply is an equivalent product, not the branded original. For buyers who need a working bladder tank at a competitive lead time and do not require the brand name specifically, the equivalent product performs the same function at a lower total cost.

JOHOB states this openly rather than implying an authorized relationship, because procurement teams that later discover a supplier misrepresented distributor status typically end the relationship entirely. Transparency on sourcing model is part of how JOHOB structures every quote: buyers see what they are getting before they commit.

Every Varem-equivalent bladder tank JOHOB supplies is sourced from a partner factory operating under an ISO 9001 quality management system and is TUV SUD tested. Where the tank functions as a pressure vessel under its duty rating, it is built to ASME pressure vessel standards where applicable, which governs the design and testing of vessels that hold pressurized fluid or air.

These are third-party verifications on the manufacturing and testing side, not a claim of local PCAB accreditation or licensing, and not a claim that JOHOB manufactures the tanks itself. JOHOB's role is sourcing, quality-checking, and supplying the equipment with local warranty and after-sales support, backed by the underlying factory and testing certifications.

For procurement teams that require certification documentation as part of a bid package or vendor onboarding, JOHOB provides the relevant certificates for the specific tank model and size on request as part of the RFQ process. Buyers should confirm which certifications are required for their specific project before finalizing a purchase order, since requirements vary between private commercial buildings, PEZA/SBMA-registered facilities, and other institutional buyers.

JOHOB does not publish bladder tank pricing directly on this page, since pricing depends on tank size, working pressure rating, and whether the unit is ordered as a standalone tank or as part of a complete booster package. Buyers submit a request for quote and receive a response within 1 business day.

Standard lead time for ex-stock bladder tank models is 21 to 35 days from order confirmation. Models that fall outside standard stock, including larger capacities or non-standard pressure ratings, are made to order with a lead time of 45 to 90 days. Buyers with a fixed installation date should confirm current stock status for their specific tank size before finalizing a project schedule.

On VAT treatment, standard commercial buyers pay 12% VAT on top of the quoted price. Buyers registered with PEZA or SBMA, and qualifying exporters, are eligible for zero-VAT treatment on the purchase, subject to the documentation those authorities require. This distinction is worth confirming at quote stage, since it materially changes the landed cost for locator-registered buyers versus standard domestic commercial buyers.

JOHOB delivers Varem-equivalent bladder tanks nationwide, covering NCR, greater Luzon, Visayas, and Mindanao, in addition to PEZA, SBMA, and Clark economic zone locations. This matters for institutional and industrial buyers with facilities outside Metro Manila, where sourcing a pressure tank locally can mean longer lead times or a narrower range of available sizes.

Delivery scheduling is coordinated against the lead time quoted for the specific tank model, whether ex-stock or made-to-order. Buyers in PEZA, SBMA, or Clark-registered facilities should flag their locator status at RFQ stage, since it affects both VAT treatment and, in some cases, delivery documentation required for zone entry.

For multi-site buyers rolling out the same booster specification across several branches or facilities, JOHOB can quote the same tank and pump specification across multiple delivery addresses under a single RFQ, which simplifies procurement for chains and multi-location operators standardizing their water systems across sites.

A bladder tank on its own does not solve a building's pressure problem; it works as part of a system with a booster or transfer pump and, on multi-pump or variable-demand installations, a VFD control panel that modulates pump speed against demand. JOHOB supplies all three as a coordinated package: booster and transfer pumps, VFD duplex panels, and the bladder tank sized to match.

Buyers who purchase the tank separately from a different supplier than the pump risk a sizing mismatch that shows up only after commissioning, when the system short-cycles or fails to hold pressure. Quoting the bladder tank alongside the pump and panel lets JOHOB confirm the sizing math before the order ships, not after installation.

This packaged approach is most relevant for new construction and major retrofits, where the pump, panel, and tank are being specified together. For straight tank replacements on an existing system, JOHOB quotes the tank alone, matched to the existing pump's flow and pressure specifications provided at RFQ stage. JOHOB's sister brand TankSmith handles modular water storage tanks separately when a project needs both storage and pressure boosting in the same water system design.

• Hydropneumatic Bladder Pressure Tank
• Commercial Booster Pumps
• VFD Duplex Control Panel
• Guide: How to Size a Booster Pump
• 200L Diaphragm Pressure Tank Supplier
• TankSmith Water Storage Tanks

Reviewed: September 2026