Fast Track to a Quote
Certification | Testing
Factory CertifiedRefund guarantee
24h refund guaranteeSecure Payment
PayPal Verified
Dwyer Flowmeter VFA-4-BV
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.
Wetted Materials:Body: Acrylic plastic; O-ring: Buna-N (fluoroelastomer available); Metal parts: Nickel plated brass standard, SS optional; Float: SS, black glass, aluminum, K monel depending on range.
Temperature & Pressure Limits:Without Valve: 100 psig (6.9 bar) @ 150°F (65°C); 150 psig (10 bar) @ 100°F (38°C); With Valve: 100 psig (6.9 bar) @ 120°F (48°C).
Accuracy:VFA = 5% of FS; VFB = 3% of FS.
Process Connection:1/8" female NPT. VFB ranges 85 and 86 have 1/4" NPT back connections or 3/8" NPT end connections. These ranges not available with brass valves.
Scale Length:VFA 2" typical length; VFB 4" typical length.
Mounting Orientation:Mount in vertical position.
Weight:VFA: 4.0 to 4.8 oz (.11 to .14 kg)
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: Does OKmarts support third-party escrow services or buyer protection payment channels?
A: Yes. For buyers seeking maximum transaction security outside traditional corporate bank wires, we support payments through verified platforms like PayPal and credit card networks that offer robust buyer dispute resolution and chargeback protection frameworks in case of fulfillment default.
Q: Can OKmarts issue formalized, compliant proforma invoices and commercial invoices tailored for corporate accounting?
A: Absolutely. Our automated billing system generates itemized Proforma Invoices (PI) and Commercial Invoices containing corporate tax IDs, purchase order (PO) numbers, and explicit company details necessary to satisfy international corporate accounting and auditing standards.
Q: How can a first-time international buyer verify that OKmarts is a legitimate entity and not a fraudulent website?
A: OKmarts operates under a legally registered corporate entity with verifiable business registration records, global tax compliance IDs, and physical warehouse infrastructure. We can provide corporate bank references, Dunn & Bradstreet (D-U-N-S) numbers, and customer references from established industrial firms in your region to validate our commercial legitimacy before you transfer funds.
Related Products
Q&A
Q: Do you support international shipping?
A: Yes, we support international shipping. You can select the international shipping option on the checkout page and fill in the corresponding shipping address. Please note that international shipping may require additional fees and time.
Q: Are there membership programs or discounts?
A: Yes, we offer membership programs or member discounts, allowing members to enjoy more privileges and benefits. You can learn more about the membership program and choose to join based on your needs.
Q: Do you offer price matching if I find a lower price elsewhere?
A: We strive to offer competitive prices to our customers. If you find a lower price for the same product elsewhere, please contact our customer service with the details, and we will review your request on a case-by-case basis.







