Calplas Pump Strainer P25/110 (415mm) – Commercial-Grade Pool System Protection

💧 Industrial-Strength Filtration That Saves You Thousands in Pump Repairs and Downtime

📋 Product Overview

The Calplas P25/110 Pump Strainer represents professional-grade protection for commercial pool systems and high-capacity residential installations. Engineered with a robust 415mm diameter body and a generous 25-litre collection capacity, this heavy-duty strainer acts as the critical first line of defence for your valuable pumping equipment. By capturing debris, leaves, hair, and particulates before they reach your pump’s impeller, the P25/110 effectively prevents the costly damage that can sideline commercial facilities and lead to expensive emergency repairs.

Manufactured in Spain by Calplas, a specialist in water treatment equipment, this strainer features industrial-grade glass-reinforced polyester (GRP) construction designed to withstand the harsh environments of commercial aquatic facilities. The transparent methacrilate lid allows for quick visual inspection without disassembly, whilst the stainless steel 304/316 basket ensures long-term durability even in chlorinated environments. For operators of commercial pools, water parks, aquatic centres, or large residential systems, the P25/110 delivers the reliability and capacity needed to maintain continuous operation whilst protecting expensive pump investments.

⭐ Key Features

✅ Large 25-Litre Basket Capacity – Substantially reduces cleaning frequency compared to standard residential strainers, minimising operational downtime and labour costs

✅ 415mm Commercial-Grade Body – Professional-sized housing designed for high-flow applications up to 250m³/h maximum flow rate

✅ Transparent Inspection Lid – Clear methacrilate top allows visual monitoring of basket fill levels without system shutdown or disassembly

✅ Stainless Steel 304/316 Basket – Available with 2mm or 4mm perforation options for superior corrosion resistance and debris capture in chlorinated water environments

✅ Glass-Reinforced Polyester Construction – Industrial-strength GRP body resists UV damage, chemical corrosion, and mechanical impact far better than standard plastic housings

✅ Quick-Opening Design – Tool-free lid access with O-ring seal enables rapid maintenance during routine cleaning cycles

✅ 150mm (DN 150) Flanged Connections – Standard industrial pipe connections compatible with commercial pool plumbing systems

✅ Robust 21.5kg Construction – Substantial weight and thick-wall design ensures structural integrity under high-flow conditions and prevents vibration

✅ 2.5-7 Bar Pressure Rating – Engineered to withstand the demanding pressures of commercial pumping systems with built-in safety margins exceeding 8:1

✅ Suction-Side Optimised – Specifically designed for pump inlet installation to protect impellers, seals, and mechanical components from debris damage

🔧 Technical Specifications

Specification	Detail
Model	Calplas P25/110
Body Diameter (D)	415mm
Inlet/Outlet Diameter (d)	315mm
Overall Length (L)	560mm
Height Dimension (A)	165mm
Total Height (H)	785mm
Width (B)	495mm
Connection Size (P)	150mm (DN 150)
Maximum Flow Rating	250m³/h
Basket Volume	25 litres
Weight	21.5kg
Body Material	Polyester + Fibreglass (GRP)
Lid Material	Transparent Methacrilate
Basket Material	Stainless Steel 304/316
Basket Perforation	2mm or 4mm holes (specify when ordering)
Seal Type	O-ring (NBR/EPDM)
Fittings & Hardware	Stainless Steel
Design Pressure	2.5-7 bar (36-102 PSI)
Safety Factor	>8:1 (exceeds Spanish UNE, German DIN, British BS standards)
Application	Commercial pools, water parks, large residential systems
Installation Position	Pump suction side (inlet)
Maintenance Access	Top-opening with quick-release mechanism

---

💰 Usage Costs & Running Expenses

📊 Preventative Maintenance Value

Whilst the P25/110 strainer itself requires no electrical power, its true economic value lies in preventing costly pump damage and reducing system downtime. Commercial pool pump repairs are expensive, disruptive, and often preventable.

Common Commercial Pump Repair Costs (UK 2024-2025):

❌ Impeller Replacement: £150-£400 per incident

• Damaged by debris that should have been caught by strainer
• Requires pump disassembly, labour costs, and system downtime

❌ Seal Replacement: £120-£300 per repair

• Premature seal failure caused by debris scoring and contamination
• Often leads to water leakage and secondary damage

❌ Bearing Replacement: £180-£400 per repair

• Accelerated wear from impeller imbalance due to debris damage
• Complex repair requiring complete motor disassembly

❌ Complete Motor Replacement: £400-£2,000+ per failure

• Catastrophic failure often results from accumulated debris damage
• Includes labour, parts, and extended facility downtime

❌ Emergency Service Calls: £150-£300 per callout

• Weekend/holiday emergency rates significantly higher
• Lost revenue from facility closure during peak periods

💰 Annual Cost Savings Calculation

Scenario: Municipal Leisure Centre

• Pool operates 12 hours/day, 300 days/year
• 2.5 HP pump running at £0.24/kWh (UK average, 2024)

Without Proper Strainer Protection:

• ❌ Average 2-3 impeller cleanings/year due to debris buildup: £300-£600
• ❌ Annual seal replacement from contamination: £250
• ❌ Premature bearing wear requiring replacement: £350 every 2 years = £175/year
• ❌ Emergency service call for debris-related failure: £200 (conservatively, once every 2 years) = £100/year
• ❌ Estimated facility downtime costs: £500/year (lost admissions, reputation damage)
• ❌ Total Annual Cost Without Adequate Strainer: £1,325-£1,625

With Calplas P25/110 Protection:

• ✅ Routine basket cleaning (10 minutes, twice weekly): Minimal labour cost
• ✅ Pump repairs reduced by 70-80%: £265-£325/year
• ✅ Eliminated emergency callouts: £0
• ✅ Minimised facility downtime: £100/year
• ✅ Total Annual Cost With P25/110: £365-£425

💵 Annual Savings: £900-£1,200 per year

⏱ Return on Investment (ROI): 3-4 years based on product price of £3,707.04, after which it continues delivering savings year after year

---

🎯 Real World Examples & Applications

🏊‍♂️ Commercial Swimming Pools

Municipal leisure centres, hotel pools, and fitness club facilities benefit enormously from the P25/110’s large capacity and robust construction. The 25-litre basket significantly reduces cleaning frequency compared to residential strainers, allowing maintenance staff to focus on other tasks whilst the strainer continuously protects expensive 3-5 HP circulation pumps. The transparent lid enables quick visual checks during facility walk-throughs without shutting down the system.

🌊 Water Parks & Splash Pads

High-bather-load environments generate substantial debris – from leaves and grass to bandages, hair ties, and clothing fibres. The P25/110’s commercial-grade stainless steel basket captures these materials before they can damage expensive water park pumps that often cost £2,000-£5,000+ to replace. The quick-opening design allows staff to clean the basket multiple times daily during peak season without extended system shutdowns.

🏢 Aquatic Centres & Competition Pools

Training facilities and competition venues cannot afford unexpected equipment failures during events. The P25/110 provides insurance against debris-related pump damage, ensuring consistent water circulation and filtration. The 150mm flanged connections integrate seamlessly with standard commercial plumbing, whilst the robust 21.5kg construction resists vibration even under high-flow conditions during wave pool or current channel operation.

🛁 Large Residential Pool Systems

High-end residential pools with substantial water volumes (100,000+ litres) or multiple water features require commercial-grade equipment to handle the flow rates and debris loads. The P25/110 suits properties with large landscape areas prone to leaf debris, or pools serving extended families with high bather counts. The investment protects expensive variable-speed pumps that cost £800-£1,500 to replace.

🔄 Commercial Retrofits & Upgrades

Facilities upgrading from undersized residential-grade strainers to proper commercial equipment often see immediate improvements in pump performance and longevity. The P25/110’s 25-litre capacity means 5-10 times less frequent cleaning than standard 2-5 litre baskets, dramatically reducing maintenance labour whilst providing superior protection.

---

💡 Cost Savings Examples

📍 Scenario 1: Replacing Inadequate Residential Strainer

Previous Setup: Standard residential pump strainer (4-8 litre capacity)

• ❌ Required cleaning 2-3 times daily during leaf season
• ❌ Small basket size allowed debris breakthrough to pump
• ❌ Impeller damage occurred twice yearly: £350 × 2 = £700/year
• ❌ Premature pump seal failure: £250/year
• ❌ Maintenance labour: 15 hours/year @ £25/hour = £375/year
• ❌ Annual Cost: £1,325

Upgraded to Calplas P25/110:

• ✅ Cleaning frequency reduced to twice weekly: 4 hours/year @ £25/hour = £100/year
• ✅ Impeller damage eliminated: £0
• ✅ Normal seal lifespan restored: £0
• ✅ Pump running efficiently with proper flow: Energy savings ~£50/year
• ✅ Annual Cost: £50 (net savings after energy benefit)

💰 Total Annual Saving: £1,275 📈 3-Year Cumulative Saving: £3,825 (exceeds initial investment) ⏱ Payback Period: 2.9 years

---

📍 Scenario 2: Preventing Catastrophic Pump Failure

Risk Without Adequate Strainer: A commercial pool facility operating without proper strainer protection faces these potential costs:

• ❌ Emergency pump motor failure requiring weekend replacement: £1,800 (parts + emergency labour)
• ❌ Pool closure for 48 hours during peak summer: Lost revenue ~£2,000
• ❌ Reputation damage and member complaints: Difficult to quantify but significant
• ❌ Total Single Failure Cost: £3,800+

Protection With P25/110:

• ✅ Prevents 90%+ of debris-related failures
• ✅ Maintains continuous facility operation
• ✅ Protects facility reputation and member satisfaction
• ✅ Single Failure Prevention Value: £3,800

If the P25/110 prevents just one catastrophic failure over its 10-15 year lifespan, it has more than paid for itself.

---

📍 Scenario 3: Labour Cost Reduction

Small Hotel Pool (Previous residential-grade strainer):

• ❌ Basket cleaning required daily: 15 minutes/day
• ❌ Annual labour: 91 hours @ £12/hour = £1,092
• ❌ Plus time spent addressing pump issues from debris breakthrough: +20 hours = £240
• ❌ Annual Labour Cost: £1,332

After Installing P25/110:

• ✅ Basket cleaning required twice weekly: 10 minutes per cleaning
• ✅ Annual labour: 17 hours @ £12/hour = £204
• ✅ Minimal pump troubleshooting required: +2 hours = £24
• ✅ Annual Labour Cost: £228

💰 Annual Labour Saving: £1,104 ⏱ ROI: 3.4 years, after which labour savings continue indefinitely

🏆 Why Choose the Calplas P25/110?

✅ Commercial-Grade Reliability – Built to industrial standards with safety factors exceeding 8:1, the P25/110 meets Spanish UNE, German DIN, and British BS pressure vessel regulations for peace of mind

✅ Exceptional Debris Capacity – The 25-litre stainless steel basket holds 5-10 times more debris than residential strainers, dramatically reducing maintenance frequency and labour costs

✅ Superior Material Construction – Glass-reinforced polyester body resists UV degradation, chemical attack, and mechanical damage far better than injection-moulded plastic alternatives

✅ Long-Term Investment Protection – Preventing just one major pump failure pays for the strainer many times over, whilst continuous protection extends pump lifespan by years

✅ Professional Maintenance Access – Transparent lid for visual inspection plus quick-opening design means faster, easier servicing without tools or extensive system shutdown

✅ Proven European Engineering – Manufactured by Calplas, a specialist water treatment equipment company with decades of experience in commercial aquatic applications

✅ Flexible Installation Options – Standard 150mm DN flanged connections integrate with existing commercial plumbing systems without custom fabrication

✅ Reduces Operational Costs – Lower maintenance frequency, fewer pump repairs, reduced emergency callouts, and minimised facility downtime translate directly to improved bottom-line performance

✨ Summary

The Calplas P25/110 Pump Strainer is the professional-grade solution for commercial pool facilities, water parks, and high-capacity residential systems that demand reliable, long-term pump protection. With its robust 415mm glass-reinforced construction, generous 25-litre stainless steel basket, and commercial-rated 250m³/h capacity, this industrial strainer prevents costly pump damage whilst dramatically reducing maintenance labour. When you factor in the £900-£1,200 annual savings from avoided repairs and the prevention of even a single catastrophic pump failure, the P25/110 represents an essential investment that pays for itself within 3-4 years and continues delivering value throughout its 10-15 year lifespan.