Fast Track to a Quote
Certification | Testing
Factory CertifiedRefund guarantee
24h refund guaranteeSecure Payment
PayPal Verified
Omega Flowmeter FL-7940B
Payment Methods

Need a Same-Day Quote?
Need help confirming model compatibility?
100% Original
Genuine OEM PartsFast Delivery
Shipped via FedEx / DHL / UPS12-Month Warranty
Worry-Free CoverageSecure Packaging
Safe & Reliable5,000+ Global Suppliers
Trusted by Professionals
Professional Model-Matching System
Send us your model numbers or nameplate details.
We will match your request with our 5,000+ verified suppliers and issue a quotation.
Cable: 0.8 m (34") cable
Max Temperature and Pressure:
Water/Oil: 116°C (240°F)/3500 psi
Air: 116°C (240°F)/1000 psi
Dimensions (D x W x Lay Length):
1/2 NPT: 102 x 72 x 168 mm (4 x 2.82 x 6.6")
3/4 NPT: 83 x 184 x 182 mm (3.3 x 7.3" x 7.2")
Wetted Parts:
Water Meters: C360 brass body, piston, and cone; T302 SS spring; ceramic magnet
Oil Meters: 2024-T351 anodized aluminum body, piston, and cone; T302 SS spring; ceramic magnet
Air Meters: 2024-T351 anodized aluminum body, piston, and cone; T302 SS spring; ceramic magnet
Enclosure: NEMA 12 (IP65)
Relay: 10 A @ 250 Vac max; 0.5 A @ 125 Vdc max
Why Global Buyers Choose O&Kmarts
- Access to a wide range of SKUs across multiple brands and series
- One RFQ connects you to 5,000+ global supplier quotes
- Better availability for urgent and hard-to-find parts
- Faster global delivery via FedEx / DHL / UPS
- Easier access to rare and high-value models
- Flexible sourcing for individual parts or complete solutions
- Lower MOQs and more adaptable buying options
- Multi-brand procurement in one order
- OEM replacement and alternative model solutions available
- Fewer intermediaries, ensuring more competitive pricing
Why Global Buyers Choose O&Kmarts
- Limited to fast-moving SKUs only
- Limited local market availability
- Inventory frequently fails to meet urgent demand
- Long replenishment cycles, often taking weeks
- Rarely stock high-value compressors (e.g. Copeland YHV119)
- Frequently require bundled purchases
- Rigid and difficult MOQ negotiations
- Limited brand selection
- Minimal or no customization capability
- Higher local distribution and markup costs
Top Questions from OKmarts Buyers
Q: How can I track my shipment's exact location, customs milestones, and estimated delivery hour?
A: Immediately upon dispatch, the platform automatically generates an international tracking link integrated with carriers like DHL, FedEx, or UPS. Real-time API tracking is accessible directly from your OKmarts account dashboard, displaying live transit status, customs clearance progression, and finalized delivery updates.
Q: What financial protections do I have if the shipped goods do not match the ordered part numbers or technical specifications?
A: OKmarts operates under a strict Order Accuracy Guarantee. If the part numbers delivered do not match your approved Proforma Invoice or Purchase Order due to our fulfillment error, we will issue a full refund or expedite a replacement shipment immediately, covering all return international freight charges.
Q: How can I verify that a product on OKmarts is brand new and not "New Old Stock" (NOS) with degraded internal components?
A: Our warehouse management system strictly tracks manufacturing date codes, especially for sensitive components like VFD electrolytic capacitors or rubber seals. We explicitly state product conditions on the listing and can provide batch date codes prior to shipment for critical applications.
Related Products
Q&A
Q: How can I cancel or modify an order?
A: If you need to cancel or modify an order, please contact our customer service team as soon as possible. We will do our best to meet your needs and provide assistance based on the order status and feasibility.
Q: How can I unsubscribe from promotional emails?
A: To unsubscribe from promotional emails, you can click on the "Unsubscribe" link located at the bottom of the email. Alternatively, you can adjust your email preferences in your account settings.
Q: How can I find out about product recalls or safety alerts?
A: We prioritize the safety of our customers and comply with product recall and safety alert notifications. You can stay informed about product recalls by regularly checking our website's safety alert section or subscribing to relevant product safety authorities' notifications.
Customer reviews
Mar 09, 2022
Anonymous userAll was ok! No problems whatsoever.Helpful?(0)(0)







